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Memory AnchorsNLE · Perioperative & Pain NursingReal content

NLE Perioperative & Pain NursingPain ManagementMemory Anchors

Memory anchors and mnemonic tricks for Pain Management. If you find yourself forgetting key facts from this chapter during NLE mocks, these anchors are your fix. Built for Professional Regulation Commission (PRC) — Board of Nursing's question style and the time pressure of the NLE 2026.

Exam context

On the NLE 2026, the Perioperative & Pain Nursing subtest carries a "Core" weight in Professional Regulation Commission (PRC) — Board of Nursing's pattern. Pain Management lands at position 3rd out of 3 in the standard review order. Target score is 75% weighted average with no sub-test below 60%, and roughly 50 items come from Perioperative & Pain Nursing on a typical NLE paper.

Pain Management - Memory Anchors

Memory techniques are not just tricks — they are science-backed tools that transform short-term cramming into long-term mastery. The human brain remembers vivid stories, emotional connections, and ridiculous images far better than plain text. For the NLE, where you must recall dozens of drug names, doses, antidotes, and nursing actions under pressure, having a strong memory anchor for each concept means the answer surfaces automatically. Research shows that mnemonic learners outperform rote memorizers by up to 40% on recall tests. In this guide, every major concept in Pain Management is linked to a creative, culturally resonant anchor — from PQRST to opioid safety to the WHO analgesic ladder. Use these anchors during review, and you will find that even the most complex clinical details become as easy to remember as a favorite teleserye plot.

Anchors

Tags

  • definition
  • assessment
  • patient-centered care

Topic

Pain Physiology and Assessment

Concept

Pain is whatever the patient says it is — subjective, self-report is most reliable

Anchor Id

A1

Difficulty

easy

Memory Aid

Imagine your Lola complaining of chest pain but smiling because she does not want to worry anyone. The nurse ignores her report because she looks fine. Hours later, she has an MI. The moral: NEVER dismiss the patient's words. Pain belongs to the patient — it lives inside them, invisible to everyone else. If they say it hurts, it hurts. Period. The nurse who believed Lola saved her life; the one who ignored her caused harm.

Anchor Type

micro_story

Why It Works

Emotional, culturally familiar story (Filipino family context) triggers strong encoding. The consequence (MI) adds urgency, making the principle unforgettable.

Example Usage

NLE question: 'A patient rates pain 8/10 but is laughing with visitors. What is the most reliable indicator of pain?' Answer: The patient's self-report (8/10) — because pain is whatever the patient says it is.

Recall Trigger

Think of Lola smiling through pain

Tags

  • sequence
  • process
  • physiology

Topic

Pain Physiology

Concept

Four processes of pain transmission: Transduction, Transmission, Perception, Modulation

Anchor Id

A2

Difficulty

medium

Memory Aid

TTPM — 'Tayo Tama Pa, Malayo!' (We're still right, far away!) — a frustrated student's battle cry during long reviews. T = Transduction (stimulus activates nociceptors), T = Transmission (impulse travels the nerve highway), P = Perception (brain says 'Ouch!'), M = Modulation (body turns the volume up or down). Picture a jeepney ride: the pothole (Transduction) starts the bumpy signal, the road carries it (Transmission), the driver feels it (Perception), and the shock absorbers soften it (Modulation).

Anchor Type

acronym

Why It Works

Filipino phrase creates a humorous emotional peg. The jeepney analogy is instantly relatable to any Filipino student. The sequence matches the actual physiological order.

Example Usage

NLE question: 'Which process involves the brain becoming aware of the pain signal?' Answer: P = Perception — the driver (brain) finally feels the pothole.

Recall Trigger

Remember 'Tayo Tama Pa, Malayo' and the jeepney ride

Tags

  • theory
  • mechanism
  • non-pharmacologic

Topic

Pain Physiology and Non-Pharmacologic Management

Concept

Gate Control Theory — non-painful stimuli close the gate and reduce pain transmission

Anchor Id

A3

Difficulty

medium

Memory Aid

Picture the spinal cord as the barangay tanod gate at the entrance of your community. When painful messages try to enter (the troublemakers), non-painful stimuli like rubbing, massage, and heat rush in first and physically BLOCK the gate, so the pain messengers cannot get through. The tanod (endogenous system) says: 'Full na, hindi ka makakadaan!' (Full, you cannot pass!). That is why rubbing a bumped knee immediately reduces the pain — you sent friendly signals to close the gate before pain could enter.

Anchor Type

analogy

Why It Works

The barangay tanod gate is a highly relatable Filipino image. The physical blocking metaphor directly mirrors the neurological mechanism of gate closure.

Example Usage

NLE question: 'What is the theoretical basis for using massage and TENS for pain relief?' Answer: Gate Control Theory — non-painful stimuli close the spinal gate and reduce pain transmission to the brain.

Recall Trigger

Barangay tanod blocking the gate

Tags

  • assessment
  • acronym
  • sequence

Topic

Pain Assessment

Concept

PQRST Pain Assessment Framework

Anchor Id

A4

Difficulty

easy

Memory Aid

PQRST — just like the waves on an ECG! P = Provocation/Palliation (what makes pain better or worse?), Q = Quality (sharp, dull, burning?), R = Region and Radiation (where? does it spread?), S = Severity (rate 0–10), T = Timing (when did it start, how long, constant or intermittent?). Visualize drawing an ECG strip as you assess each wave: the P-wave starts your questions, then Q, R, S, T follow in perfect sequence — just like a normal cardiac rhythm.

Anchor Type

acronym

Why It Works

PQRST is already a nursing acronym from cardiology, so students have a pre-existing memory hook. Linking pain assessment to ECG waves creates a cross-concept reinforcement bridge.

Example Usage

NLE question: 'A nurse is assessing a post-op patient's pain. What structured framework should be used?' Answer: PQRST — assess Provocation, Quality, Region, Severity, and Timing systematically.

Recall Trigger

Draw an ECG in your mind — P, Q, R, S, T

Tags

  • assessment
  • tools
  • classification

Topic

Pain Assessment

Concept

Pain Rating Scales — Numeric (0–10), Wong-Baker FACES, FLACC

Anchor Id

A5

Difficulty

easy

Memory Aid

Picture three patients in line at the OPD: Patient 1 is an adult holding up fingers (Numbers 0–10 = Numeric Rating Scale). Patient 2 is a 4-year-old child pointing to smiley or crying cartoon faces (FACES scale = for young children ~3 years and up, and communication barriers). Patient 3 is a sleeping infant in a crib whom the nurse observes closely — checking Face, Legs, Activity, Cry, and Consolability (FLACC = for infants and nonverbal patients, scored 0–10 by OBSERVATION). Three patients, three tools, one line — oldest to youngest.

Anchor Type

visual_association

Why It Works

Visual scene with three distinct patients creates separate mental compartments for each scale. The 'line at OPD' is a familiar Filipino healthcare setting.

Example Usage

NLE question: 'Which pain scale is appropriate for a 2-year-old post-tonsillectomy patient who cannot verbalize pain?' Answer: FLACC scale — observation-based tool for infants and nonverbal patients.

Recall Trigger

Three patients in line at the OPD: adult with fingers, child with cartoon faces, sleeping baby

Tags

  • assessment
  • acronym
  • pediatric

Topic

Pain Assessment

Concept

FLACC Scale components — Face, Legs, Activity, Cry, Consolability (each 0–2, total 0–10)

Anchor Id

A6

Difficulty

easy

Memory Aid

FLACC — 'Filipino Lolas Always Cry Cutely!' F = Face (grimacing, frowning), L = Legs (kicking, tense), A = Activity (writhing, arching), C = Cry (screaming, moaning), C = Consolability (how easily comforted). Each item scored 0, 1, or 2. Total 0–10. Remember: 'Filipino Lolas Always Cry Cutely' whenever you see a nonverbal or infant patient in pain.

Anchor Type

mnemonic

Why It Works

The Filipino cultural phrase is humorous and endearing, creating a strong emotional tag. The 'Lolas' image connects to caregiving — a natural nursing context for Filipinos.

Example Usage

NLE question: 'What are the components of the FLACC scale?' Answer: Face, Legs, Activity, Cry, Consolability — each scored 0–2, maximum total of 10.

Recall Trigger

Filipino Lolas Always Cry Cutely

Tags

  • pharmacology
  • classification
  • sequence

Topic

Pharmacologic Management

Concept

WHO Analgesic Ladder — 3 steps: Non-opioids → Weak opioids → Strong opioids

Anchor Id

A7

Difficulty

medium

Memory Aid

The WHO ladder is like the levels of a Filipino fiesta party getting louder and wilder: Step 1 = Quiet family dinner (non-opioids: paracetamol, NSAIDs — gentle, mild pain). Step 2 = Neighbors join in with videoke (weak opioids: codeine, tramadol — moderate pain, more power needed). Step 3 = Full-blown barangay fiesta with a live band at 2AM (strong opioids: morphine — severe pain, maximum relief). You do not call the live band for a quiet dinner — match the remedy to the level of pain!

Anchor Type

analogy

Why It Works

Filipino fiesta escalation is a vivid, culturally resonant analogy. The three-level progression is easy to visualize. The moral (match treatment to pain level) reinforces the clinical principle.

Example Usage

NLE question: 'A cancer patient has severe persistent pain. Which step of the WHO analgesic ladder should be used?' Answer: Step 3 — strong opioids such as morphine, with non-opioids and adjuvants.

Recall Trigger

Family dinner → Videoke neighbors → Barangay fiesta live band

Tags

  • pharmacology
  • safety
  • antidote

Topic

Pharmacologic Management — Non-Opioids

Concept

Acetaminophen (Paracetamol) — max dose 4 g/day, danger is hepatotoxicity, antidote is acetylcysteine

Anchor Id

A8

Difficulty

medium

Memory Aid

Mang Tony has a headache and takes paracetamol — 'sigurado naman ito, over-the-counter lang' (this is safe, it's just OTC). But he takes it every 6 hours for days AND drinks beer at night AND has fatty liver disease. His urine turns dark, his skin yellows, and his liver enzymes skyrocket. The ER nurse gives him acetylcysteine (Mucomyst) STAT. Lesson: Paracetamol looks innocent, but it silently destroys the liver when overused — especially with alcohol or liver disease. 4 grams per day MAX. Antidote = acetylcysteine.

Anchor Type

micro_story

Why It Works

Mang Tony is a familiar Filipino everyman character. The 'OTC = safe' misconception is a real community health issue in the Philippines, making the story emotionally relevant and corrective.

Example Usage

NLE question: 'A patient with chronic liver disease asks about safe analgesic dosing of acetaminophen. What is the nurse's priority concern?' Answer: Hepatotoxicity — maximum dose 4 g/day in healthy adults, lower in liver disease; acetylcysteine is the antidote for overdose.

Recall Trigger

Mang Tony and his beer — dark urine, yellow skin, antidote acetylcysteine

Tags

  • pharmacology
  • adverse effects
  • safety

Topic

Pharmacologic Management — Non-Opioids

Concept

NSAIDs — give with food, risks are GI bleeding, renal impairment, platelet inhibition

Anchor Id

A9

Difficulty

medium

Memory Aid

NSAIDs cause 'GRP' problems — G = GI bleeding (black tarry stools, ulcers — always give WITH FOOD), R = Renal impairment (check creatinine, avoid in kidney disease), P = Platelet inhibition (increased bleeding risk — avoid before surgery). Remember 'GRP' as 'Grabe ang Problema!' (Such a big problem!) — because NSAIDs cause three BIG problems when used carelessly. Always pair NSAIDs with food like you pair rice with ulam — never eat ulam alone, never give NSAIDs on an empty stomach.

Anchor Type

acronym

Why It Works

Filipino expression 'Grabe ang Problema' adds humor and cultural resonance. The rice-ulam analogy for giving NSAIDs with food is immediately unforgettable to any Filipino.

Example Usage

NLE question: 'A patient on ibuprofen reports black tarry stools. What is the nurse's priority action?' Answer: Assess for GI bleeding — a major NSAID adverse effect. Hold the drug and notify the physician.

Recall Trigger

GRP — Grabe ang Problema! And NSAIDs are like ulam — never without rice (food)

Tags

  • pharmacology
  • adverse effects
  • opioid safety

Topic

Pharmacologic Management — Opioids

Concept

Opioid adverse effects — respiratory depression is the MOST DANGEROUS; constipation does NOT resolve with tolerance

Anchor Id

A10

Difficulty

medium

Memory Aid

Visualize a traffic light on an opioid patient's bed: RED light = Respiratory Depression (STOP — most dangerous, life-threatening, hold the dose if RR < 12). YELLOW light = Sedation, Nausea, Urinary Retention, Pruritus, Hypotension (CAUTION — monitor closely). GREEN light = Constipation (it NEVER goes away — always treat proactively with laxatives; it is the only effect with NO tolerance). The traffic light reminds you: red is the emergency, and green (constipation) paradoxically never gives you a 'go' — it stays forever.

Anchor Type

visual_association

Why It Works

Traffic light color coding creates an immediate visual hierarchy. The paradox of green = permanent problem is a memorable cognitive surprise that reinforces the clinical point about constipation.

Example Usage

NLE question: 'Which opioid side effect does NOT develop tolerance over time?' Answer: Constipation — it persists throughout opioid therapy and requires proactive bowel management.

Recall Trigger

Traffic light on the opioid patient's headboard — RED respiratory, YELLOW others, GREEN constipation never goes

Tags

  • safety
  • opioid
  • assessment
  • nursing action

Topic

Pharmacologic Management — Opioid Safety

Concept

Opioid safety rule — Assess RR first, hold dose if RR < 12 breaths/minute

Anchor Id

A11

Difficulty

easy

Memory Aid

Before you give the opioid dose, COUNT THE BREATHS — that's what matters most! If it's TWELVE or lower, HOLD and CALL — respiratory depression may cause a fall! Twelve is the number, twelve is the key — below twelve, no opioid, let the doctor be! (Sung to any simple jingle tune) TWELVE = HOLD. Always count respiratory rate BEFORE giving any opioid — it takes 10 seconds and could save a life.

Anchor Type

rhyme

Why It Works

Rhyme and rhythm encode information into procedural memory, making the safety rule automatic under exam pressure. The number 12 is repeated three times for strong encoding.

Example Usage

NLE question: 'A nurse is about to administer morphine IV. The patient's respiratory rate is 10. What is the priority action?' Answer: Hold the dose and notify the physician — respiratory rate below 12 is a contraindication to giving the next opioid dose.

Recall Trigger

Sing the rhyme: 'Count the breaths — twelve is the key!'

Tags

  • antidote
  • opioid safety
  • pharmacology

Topic

Pharmacologic Management — Opioid Antidote

Concept

Naloxone — opioid antidote, short-acting, may need repeat dosing

Anchor Id

A12

Difficulty

hard

Memory Aid

Narcing (short for Narciso) is an opioid who crashes the party and puts everyone to sleep (respiratory depression). Then NALOXONE — the barangay tanod — bursts through the door and physically throws Narcing out! Everyone wakes up. But Narcing is fast — he sneaks back in through the back door 30 minutes later (naloxone wears off before the opioid does). So the tanod must STAY and PATROL (repeat doses or continuous infusion may be needed). Also warning: when Narcing is thrown out, the pain comes RUSHING back and withdrawal may occur — be ready!

Anchor Type

micro_story

Why It Works

The Narcing-versus-tanod battle is a vivid action story with Filipino neighborhood characters. The 'sneaking back in' detail directly encodes the clinical danger of naloxone's short duration.

Example Usage

NLE question: 'After administering naloxone for opioid overdose, why must the nurse continue monitoring the patient?' Answer: Naloxone is shorter-acting than most opioids — respiratory depression can return as naloxone wears off, requiring repeat dosing or infusion.

Recall Trigger

Narcing the opioid and the barangay tanod Naloxone — repeat patrol needed!

Tags

  • PCA
  • safety
  • patient education

Topic

Patient-Controlled Analgesia

Concept

PCA — Only the PATIENT presses the button (no PCA by proxy); lockout interval prevents overdose

Anchor Id

A13

Difficulty

medium

Memory Aid

PCA is like an ATM machine — ONLY the account owner (the patient) can withdraw money (the dose). If a family member swipes the card for them, the system is bypassed and they can withdraw TOO MUCH (overdose). The daily withdrawal limit (lockout interval) prevents the patient from taking out more than is safe — no matter how many times they press the button. If the card is used by the wrong person (PCA by proxy), the safety limit no longer works and the account can be drained (fatal overdose). Only the patient, only their hand, only their judgment of their own pain.

Anchor Type

analogy

Why It Works

ATM analogy is universally relatable to Filipino students who use ATMs regularly. The lockout = withdrawal limit is a perfect functional parallel. The danger of proxy use = bypassing the safety system is logically clear.

Example Usage

NLE question: 'A family member of a PCA patient says she presses the button for her husband when he is asleep. What is the nurse's response?' Answer: Educate the family — only the patient should press the PCA button. This is called PCA by proxy and can cause respiratory depression and overdose.

Recall Trigger

PCA = ATM — only the account owner presses, lockout = daily withdrawal limit

Tags

  • non-pharmacologic
  • classification
  • gate control

Topic

Non-Pharmacologic Pain Management

Concept

Non-pharmacologic pain management — TENS, heat, cold, massage, relaxation, imagery, distraction

Anchor Id

A14

Difficulty

medium

Memory Aid

Chunked into 2 groups: PHYSICAL methods = Heat, Ice (cold), Massage, TENS, Positioning (remember HIM-TP — 'HIM Thinks Positively'). MIND methods = Relaxation, Imagery, Music, Distraction, Biofeedback (remember RIMDb — like the movie rating website IMDb). Physical HIM-TP + Mind RIMDb = complete non-pharmacologic toolkit. All work by activating the Gate Control Theory — closing the spinal gate against pain signals.

Anchor Type

chunking

Why It Works

Chunking reduces cognitive load by organizing 8+ methods into 2 meaningful clusters. RIMDb is a familiar acronym (similar to IMDb) that Filipino movie-loving students will immediately recognize.

Example Usage

NLE question: 'Which non-pharmacologic intervention works via the gate control theory?' Answer: All of them — TENS, massage, heat, cold (physical), and relaxation, imagery, distraction (cognitive) all work by closing the spinal gate.

Recall Trigger

HIM-TP for physical, RIMDb for mind methods

Tags

  • acute pain
  • chronic pain
  • assessment
  • classification

Topic

Types of Pain

Concept

Acute vs. Chronic Pain — acute has sympathetic signs, chronic lacks them; both deserve treatment

Anchor Id

A15

Difficulty

medium

Memory Aid

Acute pain is like a fire alarm — loud, urgent, accompanied by flashing lights (tachycardia, hypertension, diaphoresis). The body SCREAMS 'Emergency!' Chronic pain is like a broken smoke detector that has been beeping softly for 6 months — the body has adapted, stopped screaming, but the danger (suffering) is still real. Neighbors (nurses/staff) may ignore the chronic beep because it's become background noise — but that is undertreating pain. Both the fire alarm and the broken smoke detector need attention!

Anchor Type

analogy

Why It Works

Fire alarm vs. broken smoke detector is a brilliant contrast analogy. The 'ignored beep' directly encodes the clinical mistake of undertreating chronic pain because the patient does not appear acutely distressed.

Example Usage

NLE question: 'A chronic pain patient appears calm and is watching TV but rates pain 7/10. Should the nurse administer the prescribed analgesic?' Answer: Yes — chronic pain patients adapt and may not display sympathetic signs; the self-report of 7/10 is the priority indicator.

Recall Trigger

Fire alarm (acute) vs. broken smoke detector beeping softly (chronic)

Tags

  • classification
  • nociceptive
  • neuropathic

Topic

Types of Pain

Concept

Nociceptive vs. Neuropathic Pain — somatic/visceral vs. burning/shooting/tingling

Anchor Id

A16

Difficulty

medium

Memory Aid

NOCICEPTIVE = Normal tissue injury pain: Somatic is like a KNIFE CUT — sharp, well-localized, aching, throbbing (you can point to exactly where it hurts). Visceral is like a STOMACH CRAMP — deep, cramping, poorly localized, may radiate (you wave your hand over a vague area). NEUROPATHIC = Nerve damage pain: picture ELECTRIC WIRES sparking — burning, shooting, electric-like, tingling (diabetic neuropathy, phantom limb). When you hear 'burning' or 'electric,' think damaged wires = neuropathic = treat with adjuvants like gabapentin.

Anchor Type

visual_association

Why It Works

Three distinct visual images (knife cut, stomach cramp, sparking wires) create clear separate mental categories. The sparking wire image is distinctive enough to immediately trigger 'neuropathic' recall.

Example Usage

NLE question: 'A diabetic patient describes pain as burning and electric-like in both feet. What type of pain is this?' Answer: Neuropathic pain — from nerve damage, characterized by burning, shooting, or electric-like sensations.

Recall Trigger

Knife cut = somatic, stomach cramp = visceral, sparking electric wire = neuropathic

Tags

  • opioid safety
  • chronic pain
  • pharmacology
  • definition

Topic

Chronic Pain Management

Concept

Tolerance vs. Physical Dependence vs. Addiction — three DISTINCT concepts, do not confuse

Anchor Id

A17

Difficulty

hard

Memory Aid

Three students study through the night drinking coffee (opioid analogy): Student T (Tolerance) — after a month, one cup no longer keeps her awake, she needs two cups for the same effect. That is TOLERANCE — needing more for the same effect. Student D (Dependence) — when she stops coffee abruptly, she gets a pounding headache and irritability. That is PHYSICAL DEPENDENCE — withdrawal symptoms on sudden stop. Student A (Addiction) — she skips classes, lies to borrow money for coffee, and cannot control her use despite serious problems. That is ADDICTION — compulsive use despite harm. T, D, and A are three different people with three different problems. Chronic pain patients commonly have T and D — that is expected and normal. A (addiction) is a psychiatric disorder and is rare in properly managed pain.

Anchor Type

micro_story

Why It Works

Three distinct student characters give separate identities to abstract concepts. The coffee analogy is universally relatable. The distinction between expected (T, D) and problematic (A) directly addresses the clinical mistake of under-treating pain out of fear of addiction.

Example Usage

NLE question: 'A chronic pain patient requires increasing doses of morphine. The nurse documents this as tolerance. Is this correct?' Answer: Yes — tolerance (needing higher doses for the same effect) is expected in chronic opioid therapy and is distinct from addiction.

Recall Trigger

Three coffee-drinking students: T, D, and A

Tags

  • assessment
  • reassessment
  • nursing process

Topic

Pain Assessment

Concept

Reassessment after analgesic — 30–60 min after oral, 15–30 min after IV

Anchor Id

A18

Difficulty

easy

Memory Aid

After you give the pill, WAIT AND FILL (the chart) — thirty to sixty minutes, that is the drill! After you push it IV, check back FAST and see — fifteen to thirty minutes, how effective is it? Remember: IV is FASTER to act, so FASTER to reassess. Oral is SLOWER, so wait a bit more. Think of it as delivery time: IV delivery is LBC Express (15–30 min), oral delivery is ordinary mail (30–60 min).

Anchor Type

rhyme

Why It Works

The LBC courier analogy (a well-known Filipino courier service) makes the IV vs. oral timing difference immediately clear and relatable. The rhyme adds auditory encoding.

Example Usage

NLE question: 'When should a nurse reassess a patient's pain after administering IV morphine?' Answer: 15–30 minutes after administration to evaluate effectiveness.

Recall Trigger

IV = LBC Express (15–30 min), oral = ordinary mail (30–60 min)

Tags

  • geriatric
  • opioid safety
  • pharmacology

Topic

Special Populations

Concept

Older adults and opioids/NSAIDs — increased sensitivity, slower clearance, 'start low, go slow'

Anchor Id

A19

Difficulty

medium

Memory Aid

Giving medications to older adults is like adding chili (sili) to an older relative's food — what is mild for a young person can be overwhelmingly strong for Lolo or Lola. Their kidneys and liver process drugs more slowly (the body's filter is older), so medications stay longer and hit harder. NSAIDs can damage their already-aging kidneys and cause GI bleeds. Opioids can cause profound sedation and respiratory depression. Rule: Start Low, Go Slow — like adding sili one drop at a time and waiting to see the effect before adding more.

Anchor Type

analogy

Why It Works

The sili-spice analogy is brilliantly Filipino and culturally warm. 'Start low, go slow' is a standard geriatric pharmacology principle made memorable through family meal imagery.

Example Usage

NLE question: 'A 78-year-old patient is prescribed morphine 4 mg IV. What special consideration applies?' Answer: Older adults are more sensitive to opioids and clear them more slowly — monitor closely for sedation and respiratory depression; start with lower doses.

Recall Trigger

Adding sili to Lolo's food — one drop at a time, start low go slow

Tags

  • pharmacology
  • neuropathic
  • adjuvant
  • classification

Topic

Pharmacologic Management — Adjuvants

Concept

Adjuvant analgesics for neuropathic pain — gabapentin, pregabalin, antidepressants, corticosteroids

Anchor Id

A20

Difficulty

hard

Memory Aid

For neuropathic pain, remember 'GAC' — Gabapentin/pregabalin (anticonvulsants), Antidepressants (TCAs, SNRIs), Corticosteroids. 'GAC' sounds like 'GAK!' — the sound you make when you touch an electric fence (neuropathic pain = electric-like). Whenever a patient describes burning, shooting, or electric pain, say 'GAK!' and prescribe a GAC adjuvant. These drugs are NOT primary analgesics but work through different mechanisms to quiet nerve hypersensitivity.

Anchor Type

mnemonic

Why It Works

The onomatopoeia 'GAK' (sound of electric shock) directly links to the hallmark description of neuropathic pain, creating a sound-concept association that is hard to forget.

Example Usage

NLE question: 'Which adjuvant analgesic class is most appropriate for neuropathic pain?' Answer: Anticonvulsants such as gabapentin or pregabalin — they stabilize hyperexcitable nerves. Antidepressants (TCAs, SNRIs) are also first-line adjuvants.

Recall Trigger

Touch the electric fence — GAK! — Gabapentin, Antidepressants, Corticosteroids

Revision Game

The patient's self-report — pain is whatever the patient says it is

Clue

I am the patient's word for their pain experience. You cannot measure me with equipment, but I am the MOST reliable indicator. Who am I?

Memory Link

A1 — Lola smiling through pain. Never dismiss the patient's words.

Gate Control Theory — non-painful stimuli close the spinal gate and reduce pain transmission

Clue

I am the Filipino barangay tanod who blocks the gate so the pain messengers cannot enter the spinal cord. Which theory explains my job?

Memory Link

A3 — Barangay tanod blocking the gate against pain messengers

FLACC scale — Face, Legs, Activity, Cry, Consolability — scored 0–10 by observation

Clue

I am a 6-month-old baby in the ICU who cannot tell the nurse I am in pain. Which pain scale was created for me?

Memory Link

A6 — Filipino Lolas Always Cry Cutely

12 — Hold the opioid dose if respiratory rate is below 12 breaths per minute

Clue

I am the number that makes a nurse STOP before giving morphine. If you see me on the respiratory rate monitor, you HOLD the dose. What number am I?

Memory Link

A11 — Count the breaths, twelve is the key!

Naloxone — the opioid antidote. It is shorter-acting than most opioids, so respiratory depression can return as it wears off.

Clue

I am the short-acting barangay tanod who throws the opioid out of the body — but I must keep patrolling because the opioid sneaks back in. Who am I, and why must dosing be repeated?

Memory Link

A12 — Narcing the opioid and Naloxone the tanod who must keep patrolling

Constipation — the only opioid adverse effect with no tolerance development; treat with stimulant laxatives prophylactically

Clue

I am the only opioid side effect that NEVER develops tolerance — I stay with the patient throughout their entire opioid therapy. Nurses must treat me proactively from day one. What am I?

Memory Link

A10 — Green traffic light that never says 'go' — constipation stays forever

PCA by proxy — it bypasses the patient's own sedation-based protection, leading to opioid overdose and respiratory depression

Clue

A family member is pressing the PCA button for her sleeping husband. She says she is helping him. What is this called, and what danger does it pose?

Memory Link

A13 — PCA is an ATM; only the account owner can withdraw

Acetaminophen (paracetamol) — danger is hepatotoxicity; antidote is acetylcysteine. Maximum 4 g/day in healthy adults.

Clue

I am a non-opioid analgesic. I look innocent and am sold everywhere without prescription. But if Mang Tony takes too much of me while drinking beer, I destroy his liver silently. What drug am I, and what is my antidote?

Memory Link

A8 — Mang Tony's beer and dark urine story

Formula Mnemonics

Formula

FLACC Score = Face (0–2) + Legs (0–2) + Activity (0–2) + Cry (0–2) + Consolability (0–2) = Total 0–10

Mnemonic

5 FLACC items × max 2 points each = 10 total. Think '5 fingers, 2 knuckles each = 10 joints' — count on your hand: each finger is one FLACC item, and each finger has 2 knuckle joints = max 2 points. 5 fingers × 2 = 10. Perfect!

When To Use

Use FLACC for infants, toddlers, and nonverbal patients of any age who cannot self-report pain. Score by OBSERVATION only — do not ask the patient.

What Each Part Means

F = Face (0=no expression, 1=occasional grimace, 2=frequent grimace/clenched jaw), L = Legs (0=relaxed, 1=uneasy/tense, 2=kicking), A = Activity (0=lying quietly, 1=squirming, 2=arched/rigid), C = Cry (0=no cry, 1=moans, 2=screaming), C = Consolability (0=content, 1=reassured by touch, 2=inconsolable). Total 0–10: 0=no pain, 10=worst pain.

Formula

Numeric Rating Scale: 0 = No pain → 1–3 = Mild → 4–6 = Moderate → 7–10 = Severe

Mnemonic

0-3-6-10: 'Zero pain, Three's fine, Six is whine, Ten's the line' — 0 is nothing, 1–3 mild, 4–6 moderate (starting to complain), 7–10 severe (emergency zone).

When To Use

Use for adults and children who can self-report (generally age 8 and above, or older children with cognitive ability). Standard assessment for post-op, medical, and chronic pain patients.

What Each Part Means

0 = No pain at all; 1–3 = Mild pain (manageable, does not interfere much with activity); 4–6 = Moderate pain (interferes with function, analgesic typically indicated); 7–10 = Severe pain (interferes greatly with function, strong analgesic needed, 10 = worst pain imaginable).

Formula

Acetaminophen Maximum Daily Dose: ≤ 4,000 mg/day (4 g/day) for healthy adults; ≤ 2,000 mg/day for liver disease/alcohol use

Mnemonic

4 grams = 4 'regular' (500 mg) tablets × 2 times a day × 4 doses — or think '4 is the FLOOR for healthy adults.' For sick livers, halve it: 4 ÷ 2 = 2 grams. 'Half the liver, half the dose.'

When To Use

Apply whenever calculating acetaminophen dosing for ANY patient. Always check total daily intake including combination products (e.g., co-codamol, many cold medicines contain paracetamol — risk of unknowing overdose).

What Each Part Means

4 g/day = maximum for healthy adults. In chronic alcohol users, liver disease, or poor nutrition: reduce to 2 g/day or less. Each standard tablet is typically 500 mg (common in Philippine pharmacies), so max 8 tablets/day for healthy adults. NEVER exceed — cumulative doses cause irreversible hepatotoxicity.

Quick Recall Chains

Chain Title

Four Processes of Pain Transmission (Transduction → Transmission → Perception → Modulation)

Recall Test

Cover this page. Name the four processes of pain transmission in order. Which process involves endorphins? (Answer: Modulation)

Memory Chain

TTPM — 'The Terrible Pothole Made' me feel it! The POTHOLE (noxious stimulus) triggers the car alarm (Transduction), the alarm signal TRAVELS through the wires (Transmission), the driver finally HEARS it and registers 'danger!' (Perception), then the car's shock absorbers DAMPEN the next bump (Modulation via endorphins). The jeepney story: pothole → wire → driver hears → shock absorber. Say it 5 times fast: Trans-Trans-Per-Mod!

Items To Remember

  • Transduction
  • Transmission
  • Perception
  • Modulation

Chain Title

WHO Analgesic Ladder Steps (Step 1 → Step 2 → Step 3)

Recall Test

A patient with cancer pain rates it 9/10. Which WHO step? What drug class? What route is preferred? (Answers: Step 3, strong opioids like morphine, oral route when possible)

Memory Chain

Fiesta escalation: Step 1 = Quiet dinner (mild — give paracetamol/NSAIDs only). Step 2 = Neighbors and videoke added (mild-moderate — add weak opioids like codeine). Step 3 = Full barangay fiesta live band at 2AM (severe — bring in morphine, the 'live band,' plus everything else). Always START at the right step — you would not call the live band for a quiet dinner!

Items To Remember

  • Step 1: Non-opioids — acetaminophen, NSAIDs (mild pain)
  • Step 2: Weak opioids — codeine, tramadol + non-opioids (mild to moderate pain)
  • Step 3: Strong opioids — morphine + non-opioids + adjuvants (moderate to severe pain)

Chain Title

Opioid Nursing Assessment Sequence Before Administration

Recall Test

Recite the 7-step opioid pre-administration check from memory. What is the single most important value to check? (Answer: Respiratory rate — hold if < 12)

Memory Chain

Before Morphine: 'Really Careful Nurses Check Before Pushing Meds (RNCBPM)' — Respiratory rate → Consciousness → O2 saturation → Blood pressure → Pain score → Med verification → Naloxone available. Or picture checking your patient from HEAD to TOE: Head (RR, consciousness) → Chest (O2 sat, BP) → Belly (pain score) → Cabinet (drug check + naloxone ready).

Items To Remember

  • Assess respiratory rate (hold if < 12/min)
  • Assess level of consciousness/sedation
  • Check oxygen saturation
  • Check blood pressure
  • Assess current pain score
  • Verify order, drug, dose, route
  • Ensure naloxone is available

Chain Title

PQRST Pain Assessment

Recall Test

Your patient says: 'The pain started 3 hours ago, it is a 7/10 squeezing sensation in my chest that goes to my left arm.' Map this to PQRST. (P: onset/movement aggravates? Q: squeezing, R: chest → left arm, S: 7/10, T: started 3 hours ago)

Memory Chain

PQRST = Draw an ECG in your mind. The P-wave: what PROVOKES it? The Q-wave: what QUALITY does it have? The R-wave (tallest, most important): REGION and radiation — where is the pain? The S-wave: how SEVERE (0–10)? The T-wave: what is the TIMING? Every time you assess pain, you are tracing a pain ECG — P, Q, R, S, T.

Items To Remember

  • P — Provocation/Palliation (what makes it better or worse?)
  • Q — Quality (sharp, dull, burning?)
  • R — Region and Radiation (where? does it spread?)
  • S — Severity (rate 0–10)
  • T — Timing (onset, duration, pattern)

Chain Title

PCA Safety Nursing Responsibilities

Recall Test

Name 6 nursing responsibilities for a patient on PCA. What is the most critical safety rule about who operates the device?

Memory Chain

PCA Safety = 'VOTE DM+N' — Verify (2-nurse check), Operate by patient Only, Teach the patient, Educate family (no proxy), Document, Monitor (RR/sedation/SpO2), + Naloxone available. Or visualize the PCA pump with a sticky note: 'PATIENT ONLY — NALOXONE NEARBY — VERIFY BEFORE USE.'

Items To Remember

  • Verify drug, dose, concentration, lockout interval with second nurse
  • Teach patient to press button when pain begins
  • ONLY the patient presses — no PCA by proxy
  • Monitor RR, sedation, O2 saturation, pain relief
  • Document doses delivered and attempted
  • Keep naloxone and resuscitation equipment available
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