Neurologic Assessment and Diagnostics - Concept Map
Neurologic Assessment and Diagnostics
Related concepts
Neurophysiology Fundamentals
Sub concepts
- Central Nervous System (CNS)
- Peripheral Nervous System (PNS)
- Brain Regions (Cerebrum, Cerebellum, Brainstem)
- Monro-Kellie Doctrine
- Intracranial Pressure (ICP)
- Cerebral Perfusion Pressure (CPP)
Relationship to central
Foundation for understanding the anatomical and physiological basis of neurologic assessment
Clinical Assessment Components
Sub concepts
- History Taking
- Level of Consciousness (LOC)
- Glasgow Coma Scale (GCS)
- Pupillary Assessment
- Cranial Nerve Testing
- Motor Function Assessment
- Sensory Testing
- Reflex Testing
Relationship to central
Direct bedside evaluation methods used in neurologic assessment
Diagnostic Imaging and Procedures
Sub concepts
- Computed Tomography (CT)
- Magnetic Resonance Imaging (MRI)
- Lumbar Puncture (LP)
- Intracranial Pressure (ICP) Monitoring
- Electroencephalography (EEG)
- Cerebral Angiography
Relationship to central
Laboratory and radiologic investigations supporting clinical assessment
Monitoring and Vital Signs
Sub concepts
- Serial Neuro Checks
- Cushing's Triad
- Vital Signs Changes
- Waveform Analysis
Relationship to central
Continuous assessment parameters indicating neurologic status change
Clinical Application and Nursing Care
Sub concepts
- Patient Safety and Positioning
- Infection Control
- Patient Education
- Emergency Recognition
- Documentation
- Nursing Diagnoses (NANDA)
Relationship to central
Implementation of assessment findings into patient care planning per RA 9173 scope
Concept connections
- Level of ConsciousnessGlasgow Coma ScaleGCS is the standardized quantitative tool for objectively measuring level of consciousness across three parameters
- Monro-Kellie DoctrineIntracranial PressureDoctrine explains the fixed skull volume containing three components; any increase in ICP occurs when compensatory mechanisms fail
- Intracranial PressureCerebral Perfusion PressureCPP is directly calculated from ICP using the formula CPP = MAP - ICP; critical for maintaining brain viability
- Pupillary AssessmentCranial Nerve III OculomotorPupils are controlled by CN III; a blown pupil indicates compression of CN III from herniation
- Motor Response AssessmentAbnormal PosturingMotor response assessment reveals abnormal posturing; decorticate indicates supratentorial damage while decerebrate indicates brainstem involvement
- Cushing's TriadIntracranial Pressure ElevationCushing's triad (rising BP, bradycardia, irregular respirations) is a late clinical manifestation of dangerously elevated ICP
- Glasgow Coma ScaleAirway Protection and IntubationA GCS of 8 or below is the threshold for airway protection because of inability to protect airway
- Lumbar PunctureIntracranial Pressure IncreasedLumbar puncture is contraindicated when ICP is elevated due to risk of herniation from pressure gradient change
- Computed TomographyStroke DifferentiationCT is first-line imaging in acute stroke to distinguish hemorrhagic from ischemic stroke
- Magnetic Resonance ImagingMetal ScreeningMRI uses powerful magnetic field; metal implants, pacemakers, and ferromagnetic objects must be screened and removed for safety
- ICP Monitoring Intraventricular CatheterCSF Therapeutic DrainageVentriculostomy is gold standard for ICP monitoring because it allows direct measurement AND therapeutic CSF drainage to reduce pressure
- Neurologic AssessmentSerial MonitoringSerial neuro checks track changes over time; trending is essential to identify deterioration early
- Babinski ReflexUpper Motor Neuron LesionA positive Babinski reflex in adults indicates an upper motor neuron lesion; normal in infants
- Pronator DriftSubtle Motor WeaknessPronator drift is a sensitive sign of mild or early motor weakness often detected before frank strength loss
- Cranial Nerve AssessmentLocalization of LesionCranial nerve deficits help localize the neurologic lesion to specific brainstem or peripheral sites
- Patient EducationPrevention of ComplicationsEducating patients about red flag symptoms and post-procedure care facilitates early detection of problems
- Sensory TestingSpinal Cord Level DeterminationSensory loss in specific dermatomal patterns helps determine the spinal cord level of injury or lesion
- ElectroencephalographySeizure DetectionEEG records brain electrical activity and is primary tool for seizure diagnosis and brain death confirmation
- Cerebral AngiographyVascular Lesion IdentificationAngiography visualizes cerebral vessels and identifies aneurysms, vascular malformations, and arterial dissections
- RA 9173 Philippine Nursing Practice ActScope of Neurologic AssessmentRA 9173 defines the legal scope of nursing assessment and the conditions under which nurses can perform neurologic evaluations and report findings
- NANDA Nursing DiagnosesAssessment FindingsAssessment findings such as LOC changes, motor deficits, and sensory loss guide formulation of NANDA diagnoses like Altered LOC, Risk for Injury
- Maslow's HierarchyAssessment PrioritizationAirway protection (GCS ≤8), vital sign stability, and prevention of further deterioration are physiologic/safety priorities in neurologic assessment
- Deep Tendon ReflexesSpasticity and Tone AssessmentHyperreflexia and muscle tone changes indicate upper motor neuron involvement; hyporeflexia indicates lower motor neuron involvement
- Temperature MonitoringHypothalamic FunctionRising temperature in neurologic patient may indicate hypothalamic involvement or secondary infection requiring investigation
Diagrams
Neurologic Assessment and Diagnostics - Main Concept Map
Comprehensive mind map showing the hierarchical organization of all major concepts in neurologic assessment, from foundational neurophysiology through clinical assessment techniques to diagnostic procedures and monitoring parameters. This visual organizes content into five major branches reflecting the nursing assessment process.
Glasgow Coma Scale Assessment Process
Step-by-step flowchart demonstrating the Glasgow Coma Scale assessment methodology, showing how eye opening, verbal response, and motor response are individually scored and combined for a total score, with clinical interpretation pathways based on results.
Abnormal Pupil Findings and Clinical Significance
Clinical decision tree for pupil assessment findings, distinguishing normal from abnormal pupils and their clinical implications. Highlights the neurologic emergency of a unilateral fixed, dilated pupil indicating herniation and CN III compression.
Lumbar Puncture: Pre, Intra, and Post-Procedure Nursing Care
Comprehensive flowchart detailing the complete lumbar puncture procedure from pre-procedure preparation through post-procedure care, emphasizing the critical contraindication of elevated ICP, proper patient positioning, and the essential post-procedure interventions to prevent complications.
Motor Response Assessment and Abnormal Posturing Interpretation
Decision tree for assessing motor response and interpreting abnormal posturing patterns, distinguishing between decorticate (flexion, milder) and decerebrate (extension, more severe brainstem) posturing and their clinical significance in localizing neurologic damage.
Level of Consciousness Continuum and Documentation
Visual representation of the level of consciousness spectrum from alert to comatose, showing the progressive response to increasing levels of stimulation, and proper documentation standards including orientation assessment and the significance of declining LOC.
Cranial Nerve Assessment: Quick Reference and Interpretation
Comprehensive reference flowchart for all 12 cranial nerves, organized by sensory and motor function, showing testing methods and clinical interpretation, with emphasis on the emergency significance of CN III involvement (blown pupil).
Cushing's Triad Recognition and Response Protocol
Clinical recognition protocol for Cushing's triad (rising BP with widened pulse pressure + bradycardia + irregular respirations), emphasizing that this is a LATE sign of increased ICP and emphasizing the importance of recognizing earlier indicators such as level of consciousness changes and pupil alterations.
ICP Monitoring Device Selection and Nursing Care
Comprehensive flowchart for ICP monitoring device selection, setup, maintenance, and nursing care, highlighting the ventriculostomy as gold standard, proper transducer leveling at the foramen of Monro, critical waveform interpretation including dangerous plateau waves, and essential infection control measures.
Neurologic Deterioration: State Progression and Nursing Response Escalation
State diagram illustrating the progression of neurologic deterioration from baseline through early changes, intensified monitoring, critical changes, and emergency status, showing the escalation of nursing assessment frequency and intervention urgency at each stage.
Monro-Kellie Doctrine: Intracranial Contents Distribution
Pie chart showing the Monro-Kellie doctrine distribution of the three components within the fixed skull volume, illustrating that any increase in one component must be compensated by decreases in the others, and how this principle explains rapid ICP elevation when compensatory mechanisms fail.