Heart Failure and Cardiac Dysrhythmias - Memory Anchors
Memory anchors are powerful learning tools that transform dry clinical facts into vivid, unforgettable mental images and stories. Research in cognitive psychology shows that information linked to emotion, humor, or strong imagery is encoded more deeply in long-term memory — meaning you are far less likely to go blank on exam day. For NLE candidates, where a single wrong answer could mean the difference between passing and retaking, mastering memory techniques is not optional — it is strategic. This collection uses mnemonics, analogies, micro-stories, visual associations, rhymes, and quick-recall chains designed specifically for Filipino nursing graduates. Each anchor is built around NLE-tested concepts: the classic left-versus-right HF split, digoxin safety rules, lethal dysrhythmias, and cardiac drug priorities. Use these anchors during your review sessions, recall them during practice tests, and watch your retention rate soar.
Memory anchors
Left-sided HF causes pulmonary congestion (lungs); right-sided HF causes systemic congestion (body)
Memory aid
Think: 'LEFT = LUNGS, RIGHT = REST of the body.' Draw a simple body: the LEFT side has clouds (lungs full of fluid), the RIGHT side has swollen legs and a big belly (systemic edema). The letter L connects Left and Lungs. The letter R connects Right and Rest-of-body.
Why it works
Alliteration (Left-Lungs, Right-Rest) creates a phonological link that is easy to retrieve under exam pressure. Paired visual opposites reinforce dual encoding.
Example usage
Question: A patient with left-sided HF will most likely present with which sign? Recall: Left = Lungs → answer is crackles / dyspnea / pink frothy sputum.
Recall trigger
The moment you see 'heart failure,' immediately split it: L-L / R-R.
Acute pulmonary edema priority interventions: LMNOP
Memory aid
LMNOP — 'Laging Maingat Na, O Patay!' (Always be careful or someone dies! — Filipino urgency phrase to remind you this is an emergency): L = Legs dependent / High Fowler's position, M = Morphine, N = Nitrates, O = Oxygen, P = Potent diuretic (furosemide IV). Say it fast: L-M-N-O-P just like the alphabet song you learned as a child.
Why it works
The LMNOP acronym piggybacks on the alphabet sequence already stored in long-term memory — retrieval requires almost no effort. The Filipino urgency phrase adds emotional weight.
Example usage
Question: A patient suddenly develops acute pulmonary edema. What is the PRIORITY nursing action? Recall LMNOP — L comes first: position the patient in High Fowler's with legs dependent.
Recall trigger
Alphabet song + Filipino urgency = LMNOP emergency response.
Digoxin: hold if apical pulse is below 60 bpm; therapeutic level 0.5–2 ng/mL
Memory aid
Sing to the tune of 'Bahay Kubo' (first line): 'Digoxin, digoxin, check muna ang puso — below sixty? Huwag ibigay, i-hold mo!' (Digoxin, digoxin, check the heart first — below sixty? Don't give it, hold it!). Then remember: 0.5 to 2 — safe to do; above 2 — toxic brew.
Why it works
Setting medical facts to a familiar Filipino folk melody (Bahay Kubo) uses music memory, which is stored differently from verbal memory and is extremely resistant to forgetting. The rhyming couplet for the level adds auditory reinforcement.
Example usage
Question: The nurse is about to give digoxin. The patient's apical rate is 56 bpm. What should the nurse do? Recall the song: 'below sixty, huwag ibigay' → HOLD the dose and notify the physician.
Recall trigger
Hear 'Bahay Kubo' in your head → digoxin rules.
Digoxin toxicity signs: anorexia, nausea, vomiting, yellow-green visual halos, bradycardia, dysrhythmias
Memory aid
Imagine Lolo Digoy (short for Digoxin), a grumpy old man who REFUSES TO EAT (anorexia, nausea, vomiting). He is wearing thick YELLOW-GREEN glasses (visual halos — the classic sign). His heart beats SO SLOWLY (bradycardia) that he keeps stumbling. His heartbeat is so irregular (dysrhythmias) that even his apo (grandchild) can hear it. The antidote: someone calls Fab — his best friend named 'Digibind Fab' who neutralizes all his toxicity.
Why it works
A vivid character story with Filipino family context (Lolo, apo) makes abstract pharmacology human and emotionally relatable. Each character trait directly maps to a clinical sign.
Example usage
Question: Which finding is MOST indicative of digoxin toxicity? Recall Lolo Digoy's yellow-green glasses → yellow-green visual halos are the classic sign.
Recall trigger
Picture Lolo Digoy with yellow-green glasses refusing to eat.
Hypokalemia potentiates digoxin toxicity
Memory aid
Think of digoxin as a jeepney driver and potassium as the road barriers keeping him on the safe lane. When potassium is LOW (barriers are removed), the jeepney (digoxin) veers off course and causes an accident (toxic dysrhythmia). Low potassium = no barriers = digoxin goes toxic. This is why patients on loop diuretics (which flush potassium out) are at HIGH risk — the diuretic removes the barriers.
Why it works
The jeepney analogy uses a universally familiar Filipino vehicle as a concrete image. The road barrier metaphor makes the pharmacodynamic interaction easy to visualize.
Example usage
Question: A patient on digoxin and furosemide is most at risk for which complication? Recall: furosemide removes potassium (removes road barriers) → risk of digoxin toxicity.
Recall trigger
Jeepney + road barriers + potassium = digoxin safety.
Atrial fibrillation: irregularly irregular rhythm, no P waves, high stroke risk, requires anticoagulation
Memory aid
Visualize the atria as a FIESTA CROWD — everyone is dancing at random, no one in sync (no organized P waves = chaotic atrial activity). The crowd is so disorganized that blood just POOLS in the corner of the dance floor (blood stasis in the atria → thrombus). That clot can travel up to the brain and cause a STROKE — so you need a bouncer (anticoagulant — warfarin or DOAC) to prevent trouble. The ventricular rhythm looks like an irregular crowd clapping — no pattern = irregularly irregular.
Why it works
The fiesta crowd image is culturally vivid for Filipino students. Mapping abstract electrophysiology to a familiar social event makes the concept concrete and the complication logical.
Example usage
Question: Why does a patient with atrial fibrillation require anticoagulation therapy? Recall: fiesta crowd → blood pools → clot → stroke → need anticoagulant bouncer.
Recall trigger
See a chaotic fiesta crowd → AFib → anticoagulation.
Ventricular fibrillation and pulseless VT: lethal rhythms requiring immediate defibrillation + CPR
Memory aid
A basketball game (the heart) is in total CHAOS — the players (ventricles) are all running in random directions, no ball is moving toward the basket (no cardiac output). The referee (the nurse) BLOWS THE WHISTLE AND SHOCKS THE COURT (defibrillation) to reset the game immediately. No shock = game over = patient dies. Remember: V-Fib and pulseless VT = SHOCK FIRST, no time to call the coach (physician) first — initiate CPR and defibrillation.
Why it works
Basketball is extremely popular in the Philippines, making this analogy instantly relatable. The urgency of the 'game over' outcome reinforces the life-or-death priority.
Example usage
Question: A patient suddenly loses consciousness and the monitor shows ventricular fibrillation. What is the PRIORITY action? Recall: chaotic game → SHOCK → initiate CPR and defibrillation.
Recall trigger
Chaotic basketball game → V-Fib → defibrillate immediately.
Defibrillation (unsynchronized) vs. Cardioversion (synchronized)
Memory aid
DEAD gets DEFIB, ALIVE gets CARDIO. If the patient has NO pulse (pulseless VT, VF) — they are essentially DEAD → use DEFIBRILLATION (unsynchronized, no time to wait). If the patient is still ALIVE (has a pulse but unstable) → use CARDIOVERSION (synchronized — timed to avoid the T wave). Easy test: PULSE present? → Cardioversion. NO PULSE? → Defibrillation.
Why it works
The binary contrast (dead/alive) simplifies a commonly confused distinction. The alliterative pairing Dead-Defib and Alive-cArdio creates a strong phonological hook.
Example usage
Question: The nurse prepares to cardiovert a patient with unstable AFib and a rapid ventricular rate. The patient is conscious. The nurse should set the defibrillator to: Recall ALIVE = CARDIO → synchronized cardioversion.
Recall trigger
Pulse check → DEAD = DEFIB, ALIVE = CARDIO.
Asystole is NOT shockable — treat with CPR and epinephrine
Memory aid
Asystole (flatline) is like a completely DEAD phone battery — it shows ZERO bars. You cannot restart a dead phone by pressing the power button (shock) harder. You need to PLUG IT IN (epinephrine — the 'charger') and perform CHEST COMPRESSIONS (CPR = manually pressing buttons to keep minimal function). Shocking a flatline is like trying to defibrillate nothing — there is no chaotic electricity to organize.
Why it works
Phone battery metaphor is universally understood by modern Filipino students. The analogy directly explains WHY shocks don't work on asystole, promoting conceptual (not just rote) understanding.
Example usage
Question: The monitor shows asystole. What is the appropriate intervention? Recall dead phone battery → NO shock → CPR + epinephrine.
Recall trigger
Dead phone battery → asystole → no shock, give epi + CPR.
Daily weight monitoring in HF: report gain of 1 kg/day or 2.5 kg/week
Memory aid
Say this aloud: 'One kilo a day? Call today! Two point five in a week? The doctor must speak!' Simple, sing-song, and uses the exact thresholds from the HF management protocol. Pair it with the mental image of a bangko (bench scale) that RINGS AN ALARM when those numbers are hit.
Why it works
Rhyme provides auditory encoding with exact numerical values embedded. The visual alarm image creates a behavioral cue for patient teaching scenarios.
Example usage
Question: The nurse teaches an HF patient about self-monitoring. The patient should report a weight gain of: Recall the rhyme → 1 kg in a day or 2.5 kg in a week.
Recall trigger
'One kilo a day, call today' → HF daily weight rule.
Compensatory mechanisms in HF: SNS activation, RAAS activation, ventricular hypertrophy
Memory aid
Imagine the heart is a struggling sari-sari store owner (failing ventricle) who cannot keep up with orders. First, the owner calls his KAIBIGAN (friend) the SNS (sympathetic helper) who speeds up delivery (increases HR and contractility). Then he calls RAAN the supplier (RAAS — renin-angiotensin-aldosterone) who sends MORE inventory (sodium and water retention). Finally, the store itself EXPANDS (ventricular hypertrophy/dilation). At first it seems to help — but the store becomes OVERLOADED and eventually collapses (HF worsens). This is why drugs BLOCK these mechanisms.
Why it works
The sari-sari store is a universally familiar Filipino small business. The narrative explains not just WHAT the mechanisms are but WHY blocking them (with ACE inhibitors, beta-blockers) makes clinical sense.
Example usage
Question: Which mechanism explains why ACE inhibitors improve outcomes in HF? Recall: RAAS is the supplier — ACE inhibitors block the supplier → less fluid overload → improved cardiac function.
Recall trigger
Sari-sari store owner calling helpers → compensatory mechanisms.
BNP level: elevated above 100 pg/mL in heart failure; correlates with severity
Memory aid
BNP = 'Broken iNner Pump.' When the pump (heart) is broken, BNP goes UP above 100 pg/mL. The higher the BNP, the MORE broken the pump. Think: Normal pump = low BNP. Broken Pump = high BNP. The test literally tells you HOW BROKEN the heart is.
Why it works
The 'Broken iNner Pump' expansion makes the abbreviation meaningful rather than arbitrary. The direct logical link (broken pump → elevated BNP) supports conceptual understanding.
Example usage
Question: A patient's BNP is 450 pg/mL. This finding is MOST consistent with: Recall BNP = Broken iNner Pump → elevated = heart failure.
Recall trigger
BNP = Broken iNner Pump → above 100 = heart failure.
Spironolactone causes hyperkalemia (potassium-sparing); loop and thiazide diuretics cause hypokalemia
Memory aid
Imagine three water buckets for three diuretics: LOOP (furosemide) = a large open bucket with a HOLE at the bottom — it drains everything including POTASSIUM (hypokalemia). THIAZIDE = medium bucket with a small hole — also leaks potassium. SPIRONOLACTONE = a special SEALED bucket that KEEPS the potassium inside (potassium-SPARING). The sealed bucket even has a warning label: 'DANGER: TOO MUCH POTASSIUM (HYPERKALEMIA) — do not add K supplements!'
Why it works
The bucket analogy visually encodes the mechanism of each diuretic class. The sealed vs. holed contrast makes the potassium effect intuitive rather than memorized.
Example usage
Question: A patient on spironolactone should be monitored for: Recall sealed bucket keeps K → HYPERKALEMIA.
Recall trigger
Three buckets: two with holes (hypo-K), one sealed (hyper-K).
ACE inhibitor side effects: dry cough, hyperkalemia, hypotension, angioedema
Memory aid
ACE inhibitors cause 'CHAK' side effects: C = Cough (dry, persistent), H = Hyperkalemia, A = Angioedema, K = Kilogram drop in BP (Hypotension). If the patient cannot tolerate the cough, SWITCH to an ARB (Angiotensin Receptor Blocker) — same benefits, no CHAK cough.
Why it works
The CHAK acronym (a Filipino slang-like sound for 'strike') creates an auditory hook. The logical extension (switch to ARB) reinforces the clinical decision-making application.
Example usage
Question: A patient on lisinopril reports a persistent dry cough. What is the BEST nursing action? Recall CHAK: C = Cough is a known ACE inhibitor side effect → report to physician; may switch to ARB.
Recall trigger
CHAK — when ACE inhibitors strike with side effects.
Pacemaker patient teaching: check pulse daily, avoid strong EMF, carry ID card
Memory aid
Imagine a newly implanted pacemaker patient named Nena who now has a tiny robot inside her chest. Every morning, Nena CHECKS THE ROBOT'S WORK by taking her pulse for one minute (if it's below her set rate, something is wrong). She carries a ROBOT PASSPORT (pacemaker ID card) everywhere she goes. She avoids the ROBOT'S ENEMY: giant magnets and strong electromagnetic fields (like MRI machines and arc welding). Her cellphone and microwave are SAFE as long as she keeps them a little distance away. Nena lives happily — as long as she follows the robot's rules.
Why it works
Personification of the pacemaker as a friendly robot makes post-implantation care memorable. The narrative structure makes each teaching point feel like a story chapter, not a list.
Example usage
Question: Which instruction is MOST important for a patient with a newly implanted pacemaker? Recall: Nena checks the robot's work daily → teach daily pulse check and report rate below set pacemaker rate.
Recall trigger
Nena and her tiny robot → pacemaker teaching points.
Beta-blocker rules: hold if HR < 60 or BP is low; NEVER stop abruptly
Memory aid
Beta-blockers are like car BRAKES. The rule: if the car is ALREADY going too slow (HR < 60) or nearly STOPPED (low BP), do NOT apply more brakes (hold the drug). And NEVER rip the brakes off suddenly (never stop abruptly — causes rebound tachycardia and angina). Carvedilol, metoprolol, bisoprolol — all brakes for the failing heart.
Why it works
The brake analogy is mechanistically accurate (beta-blockers slow HR and reduce BP) and uses a concrete, universally understood safety concept. The 'never rip off brakes' image creates a visceral warning about abrupt cessation.
Example usage
Question: A patient on carvedilol has a pulse of 54 bpm. The nurse should: Recall car brakes → car already slow → HOLD the drug, notify physician.
Recall trigger
Car brakes → beta-blocker rules → hold if slow, never stop suddenly.
Right-sided HF signs: JVD, peripheral edema, hepatomegaly, ascites, weight gain
Memory aid
Remember 'JHAWe' for Right HF (sounds like 'Jaw' — the jaw is on the RIGHT side of the face when you look at someone): J = JVD (Jugular Venous Distention), H = Hepatomegaly, A = Ascites, W = Weight gain, e = edema (peripheral/dependent). Alternatively, think of the RIGHT side of a Filipino dining table that is OVERLOADED with food and dishes (systemic fluid overload).
Why it works
The JHAWe acronym groups five systemic signs into one retrievable unit. The Filipino dining table image adds a secondary cultural memory hook for visual learners.
Example usage
Question: Which assessment finding is characteristic of right-sided heart failure? Recall JHAWe: J = JVD, H = hepatomegaly, A = ascites → all are right-sided HF signs.
Recall trigger
JHAWe — jaw = right side → right HF signs.
Atropine is used for symptomatic sinus bradycardia
Memory aid
'Heart too slow? ATROPINE, let's go!' Atropine is the drug for bradycardia (sinus, symptomatic). It BLOCKS the vagus nerve (anticholinergic) and speeds the heart up. Contrast with the beta-blocker rule: brakes on = beta-blocker; brakes stuck = atropine releases them.
Why it works
Short rhyme for fast recall. The comparison to beta-blockers reinforces differentiation between rate-slowing and rate-raising drugs — a common NLE distractor.
Example usage
Question: A patient develops sinus bradycardia with dizziness and BP of 80/50. The nurse anticipates administering: Recall rhyme → ATROPINE.
Recall trigger
'Heart too slow? Atropine, let's go!'
Ejection fraction: normal 55–70%; reduced EF confirms systolic HF
Memory aid
Imagine the heart as a BALDE (water pail). A healthy heart squeezes 55–70% of the water OUT with each beat (normal EF). In systolic HF, the pail is WEAK and only squeezes out a small fraction — less than 40%. The echocardiogram MEASURES how much water leaves the pail. Low EF = weak squeeze = systolic HF confirmed.
Why it works
The balde (pail) metaphor makes the abstract percentage physically intuitive. Squeezing action directly mirrors ventricular contraction mechanics.
Example usage
Question: An echocardiogram reveals an ejection fraction of 35%. This finding is consistent with: Recall balde → normal EF 55–70% → 35% is low → systolic HF confirmed.
Recall trigger
Balde (pail) squeezed by hand → ejection fraction = how much comes out.
Amiodarone: used for both atrial and ventricular dysrhythmias; monitor for pulmonary toxicity, thyroid dysfunction, QT prolongation
Memory aid
Think of amiodarone as the 'POWERFUL BUT TOXIC SUPERHERO' — he can fight dysrhythmias in BOTH the atria AND ventricles (dual power). But his three WEAKNESSES/SIDE EFFECTS are his KRYPTONITE: 1) LUNGS (pulmonary toxicity — he suffocates himself), 2) THYROID (he disrupts the thyroid gland — amiodarone contains iodine), 3) LONG QT (he stretches the QT interval — causing more dysrhythmias). Always monitor for these three with long-term use.
Why it works
Superhero framing with 'kryptonite weaknesses' is memorable and maps neatly to the three major side effects. Dual-power capability (atrial + ventricular) is encoded in the 'dual' metaphor.
Example usage
Question: A patient on long-term amiodarone should be monitored for: Recall superhero kryptonite → pulmonary toxicity, thyroid dysfunction, QT prolongation.
Recall trigger
Powerful superhero with three kryptonite weaknesses → amiodarone side effects.
Revision game
I am the first thing you check before giving digoxin. I must be taken for a full minute. If I am below 60, the drug stays in the drawer.
Answer
Apical pulse
Memory link
A3 — Bahay Kubo song: 'below sixty, huwag ibigay'
I am the side effect that makes the world look like it is filtered through yellow-green sunglasses. I am Lolo Digoy's most famous fashion accessory.
Answer
Digoxin toxicity — yellow-green visual halos
Memory link
A4 — Lolo Digoy with yellow-green glasses
I am the emergency alphabet. Sing me like you are 5 years old and I will save a patient's life. L-M-N-O-P.
Answer
LMNOP — Acute Pulmonary Edema interventions
Memory link
A2 — alphabet song LMNOP mnemonic
I am the diuretic that KEEPS potassium instead of throwing it away. I am the sealed bucket. But too much potassium is also my danger.
Answer
Spironolactone — causes hyperkalemia
Memory link
A13 — three buckets analogy
I am the only lethal dysrhythmia you should NOT shock. I am a flatline. I need a charger (epinephrine) and chest compressions, not electricity.
Answer
Asystole — treat with CPR + epinephrine, not defibrillation
Memory link
A9 — dead phone battery analogy
I am the dysrhythmia that feels like a chaotic fiesta in the atria. I have no organized P waves, I am irregularly irregular, and I send blood clots to the brain.
Answer
Atrial fibrillation
Memory link
A6 — fiesta crowd visual association
I am the weight gain numbers that should make a heart failure patient immediately call their doctor or go to the emergency room. One of me is daily, the other is weekly.
Answer
1 kg in a day or 2.5 kg in a week
Memory link
A10 — 'One kilo a day, call today' rhyme
I am the antidote for digoxin toxicity. My nickname sounds like I am made of Digoxin and fabric. Call me when Lolo Digoy's toxicity is out of control.
Answer
Digoxin immune Fab (Digibind)
Memory link
A4 — Lolo Digoy micro-story
Formula mnemonics
Digoxin Therapeutic Level: 0.5–2 ng/mL
Mnemonic
'Zero point five to two — safe to do; above two — toxic stew.' Also: 0.5 = HALF = half-safe threshold; 2.0 = TWO = TOO much = toxic.
When to use
Before administering digoxin and when assessing for therapeutic vs. toxic effect; also in NLE questions about lab value interpretation.
What each part means
0.5 ng/mL = lower limit of therapeutic range (below this = subtherapeutic, drug not effective); 2 ng/mL = upper limit (above this = digoxin toxicity).
Daily Weight Reporting Thresholds: ≥1 kg/day or ≥2.5 kg/week
Mnemonic
'One kilo a day — call today. Two point five in a week — the doctor must speak!' The numbers encode into the rhyme automatically.
When to use
Any HF patient teaching question; questions about when to notify the physician or seek emergency care.
What each part means
1 kg/day = acute fluid retention (about 1 liter of fluid); 2.5 kg/week = progressive fluid accumulation over 7 days — both indicate worsening HF and require prompt reporting.
Normal Ejection Fraction: 55–70%
Mnemonic
'Fifty-five to seventy — the healthy heart squeezes plenty. Below forty — the heart is gory (systolic HF).' The threshold for HF with reduced EF is typically <40%.
When to use
Echocardiogram result interpretation; diagnosing type of HF (systolic vs. preserved EF); grading severity.
What each part means
EF = stroke volume ÷ end-diastolic volume × 100. In clinical practice: 55–70% = normal; 40–54% = mildly reduced; <40% = reduced EF (systolic HF).
BNP Threshold for HF: >100 pg/mL
Mnemonic
'BNP above 100 = Broken iNner Pump confirmed.' One hundred is the dividing line — below it, the pump is likely OK; above it, heart failure is likely.
When to use
Diagnosing HF; differentiating cardiac vs. pulmonary causes of dyspnea; monitoring HF severity.
What each part means
BNP (B-type natriuretic peptide) is released by ventricular myocytes in response to increased wall stress/volume overload. >100 pg/mL = HF likely; >400 pg/mL = severe HF; <100 pg/mL = unlikely HF.
Quick recall chains
Steps for Acute Pulmonary Edema — LMNOP
Recall test
Cover the list. Sing LMNOP. For each letter, name the intervention. Can you do all five in under 10 seconds?
Memory chain
Sing 'L-M-N-O-P' to the alphabet song and add: 'Lagi Maingat Na, O Patay!' (Always careful or someone dies). L = position, M = morphine, N = nitrates, O = oxygen, P = potent diuretic. The alphabet sequence means you will NEVER forget the order.
Items to remember
- L — Legs dependent / High Fowler's position
- M — Morphine IV
- N — Nitrates (vasodilators)
- O — Oxygen (high-flow)
- P — Potent diuretic — furosemide IV
Digoxin Safety Checklist Before Administration
Recall test
Without looking, list all five digoxin safety checks in order. Can you include the specific numbers (60, 0.5–2 ng/mL)?
Memory chain
Remember '1-HOLD-LEVEL-K-EYES': 1 minute pulse → HOLD if <60 → check LEVEL (0.5–2) → check K (potassium) → check EYES (visual halos = toxicity). Spell it: 1-H-L-K-E = 'One Happy Lolo Keeps Eyeglasses (yellow-green)'.
Items to remember
- 1. Check the apical pulse for ONE FULL MINUTE
- 2. Hold if HR < 60 bpm (adult) — notify physician
- 3. Check serum digoxin level (therapeutic: 0.5–2 ng/mL)
- 4. Check serum potassium level (low K = toxicity risk)
- 5. Assess for toxicity signs: anorexia, nausea, yellow-green halos
Differentiating Lethal Dysrhythmias — Treatment Chain
Recall test
The monitor shows V-Fib. Patient is pulseless. What do you do? Now the monitor shows AFib with rapid rate. Patient is hypotensive. What do you do? Now the monitor shows asystole. What do you do?
Memory chain
Use the PULSE CHECK rule: NO PULSE → DEFIB (VF, pulseless VT). HAS PULSE but UNSTABLE → CARDIOVERSION (stable-ish VT, AFib). FLATLINE (Asystole) → EPI + CPR, no shocks. Say: 'Dead=Defib, Alive=Cardio, Flat=Epi.'
Items to remember
- V-Fib → CPR + DEFIBRILLATION (unsynchronized) — NOT shockable with sync
- Pulseless VT → CPR + DEFIBRILLATION (unsynchronized)
- Unstable VT with pulse → SYNCHRONIZED CARDIOVERSION
- Unstable AFib → SYNCHRONIZED CARDIOVERSION
- Asystole → CPR + EPINEPHRINE (NOT shockable)
Diuretic Types and Potassium Effects
Recall test
Name the potassium effect of each: furosemide, hydrochlorothiazide, spironolactone. Now name the risk when a patient is on BOTH digoxin and furosemide.
Memory chain
Think of three buckets: LOOP has a big hole (loses the most K), THIAZIDE has a small hole (also loses K), SPIRO is sealed (keeps K, risk of too much K). Say: 'Loop and Thiazide LEAK Potassium; Spiro SEALS Potassium.'
Items to remember
- Loop diuretics (furosemide) → HYPOKALEMIA (potassium wasting)
- Thiazide diuretics (HCTZ) → HYPOKALEMIA (potassium wasting)
- Potassium-sparing (spironolactone) → HYPERKALEMIA (potassium retention)
Right-sided HF Manifestations — JHAWe
Recall test
Cover the list. Say 'JHAWe' and name all five signs of right-sided HF. Bonus: name TWO signs that differentiate it from left-sided HF.
Memory chain
JHAWe — jaw is on the RIGHT side of the face → Right HF → J-H-A-W-e. Visualize a patient whose JAW is distended (JVD), whose liver is enlarged (Hepatomegaly), whose belly is big (Ascites), who gained Weight, and whose ankles are swollen (edema).
Items to remember
- J — Jugular Venous Distention (JVD)
- H — Hepatomegaly
- A — Ascites
- W — Weight gain
- e — edema (peripheral/dependent)
Diagrams
Heart Failure — Master Concept Map
A comprehensive mind map showing the full structure of heart failure: types, manifestations, diagnostics, emergency management (LMNOP), pharmacology with safety rules, and patient teaching priorities. Use this as a chapter overview and for rapid pre-exam review.
Cardiac Dysrhythmia Management Decision Tree
A clinical decision flowchart for managing common cardiac dysrhythmias. Starts with the universal pulse check, then branches through rhythm identification to specific interventions. Color coding: RED = lethal arrest rhythms (defibrillation), ORANGE = asystole (CPR + epi only), BLUE = synchronized cardioversion, GREEN = anticoagulation for AFib. This flowchart directly maps to NLE priority and action questions.
Digoxin Safe Administration Protocol
A step-by-step safe administration flowchart for digoxin. Shows the four-checkpoint protocol: apical pulse, serum level, potassium level, and toxicity sign assessment. Color coded: RED = hold drug, ORANGE = caution/notify, GREEN = safe to administer. This directly addresses the highest-yield digoxin NLE questions.
Compensatory Mechanisms in Heart Failure — From Compensation to Decompensation
A state diagram tracing the progression from a healthy heart through compensatory mechanisms (SNS, RAAS, hypertrophy) to decompensated HF. The diagram also shows how each drug class targets the maladaptive mechanisms — directly explaining WHY beta-blockers, ACE inhibitors, and diuretics are the cornerstones of HF therapy.
Distribution of Key NLE High-Yield Topics in Heart Failure Chapter
A pie chart showing the relative NLE emphasis of each topic area in this chapter based on historical exam patterns. Digoxin safety, pulmonary edema management, and HF manifestations together account for over half the testable content — prioritize these areas during review.