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🧠 Stroke Nursing

FAST assessment, NIHSS, thrombolysis protocol, acute stroke nursing interventions, post-stroke care and GCC exam prep.

Neurology Emergency DHA · SCFHS · QCHP

FAST — Public Recognition Tool

F
Face
Facial drooping — ask patient to smile. Is one side drooping?
A
Arms
Arm weakness — raise both arms. Does one drift downward?
S
Speech
Speech difficulty — slurred, confused or unable to speak?
T
Time
Time to call emergency — note exact onset time. Every minute counts.

Ischaemic vs Haemorrhagic Stroke

FeatureIschaemic (80–85%)Haemorrhagic (15–20%)
CauseThrombus/embolus occlusion of cerebral arteryRupture of cerebral vessel
OnsetOften gradual or sudden; wake-up strokesOften sudden; activity-related
HeadacheLess commonSevere "thunderclap" headache
VomitingLess commonMore common
HypertensionMay be presentOften severely elevated
CT findingsNormal early; hypodense area laterImmediate hyperdense area
ThrombolysisEligible (if criteria met)ABSOLUTE contraindication

Stroke Mimics — Important Differentials

Acute Stroke Protocol — Time is Brain

1.9 million neurons die every minute during ischaemic stroke without reperfusion. Time targets: Door-to-CT: <25 min | Door-to-needle (tPA): <60 min | Door-to-groin (thrombectomy): <90 min

Immediate Actions — STROKE Bundle

  1. Airway: Protect airway; intubate only if GCS ≤8 or respiratory compromise
  2. Glucose: Immediate bedside BGL — treat hypoglycaemia (<3.5 mmol/L) with 50% dextrose IV. DO NOT aggressively treat hyperglycaemia unless >14 mmol/L
  3. CT head: Non-contrast CT within 25 minutes — exclude haemorrhage before thrombolysis
  4. Vital signs: BP, HR, SpO₂, temperature, RR
  5. IV access: 2 large-bore cannulas; send bloods (FBC, U&E, coag, group, troponin, ECG)
  6. Onset time: Document exact time of last-known-well (LKW) — critical for thrombolysis eligibility
  7. NIHSS assessment: Trained nurse scores within minutes of arrival
  8. Notify stroke team: Pre-alert on arrival at ED via ambulance call

BP Management in Acute Stroke

Do NOT aggressively lower BP in acute ischaemic stroke — penumbra depends on elevated BP. Only treat if: BP >220/120 (ischaemic, no thrombolysis) OR >185/110 (if thrombolysis planned) OR in haemorrhagic stroke (target SBP <140 mmHg within 1 hr).
ScenarioBP TargetDrug
Ischaemic, no thrombolysisOnly treat if >220/120Labetalol IV; nicardipine
Ischaemic, pre-thrombolysisBring to ≤185/110 before tPALabetalol 10–20 mg IV
Ischaemic, post-thrombolysis 24 hrsMaintain <180/105Labetalol or nicardipine infusion
HaemorrhagicSBP ≤140 within 1 hrLabetalol, nicardipine, clevidipine

NIHSS — National Institutes of Health Stroke Scale

The NIHSS is a 15-item neurological examination scoring 0–42. Higher scores = more severe stroke.

DomainMax Score
Level of consciousness (LOC)3
LOC questions (month, age)2
LOC commands (open eyes, grip)2
Best gaze2
Visual fields3
Facial palsy3
Motor arm (left and right)4 each
Motor leg (left and right)4 each
Limb ataxia2
Sensory2
Best language3
Dysarthria2
Extinction/inattention2

Severity: 0 = none; 1–4 = minor; 5–15 = moderate; 16–20 = moderate-severe; 21–42 = severe

Thrombolysis (tPA / Alteplase)

Indication: Acute ischaemic stroke within 4.5 hours of symptom onset (or last-known-well), haemorrhage excluded on CT, no absolute contraindications.

Absolute Contraindications

tPA Protocol (Alteplase)

Neurological deterioration post-tPA: Suspect haemorrhagic transformation. STOP infusion, urgent CT head, call stroke team, prepare for reversal (cryoprecipitate ± platelets ± FFP).

Mechanical Thrombectomy

Post-Stroke Nursing Care

Swallowing Assessment — CRITICAL

NIL BY MOUTH until swallow screen completed. Dysphagia affects 40–70% of acute stroke patients. Aspiration pneumonia is a leading cause of post-stroke death.

Key Nursing Observations

ParameterFrequencyTarget / Action
Neurological obs (GCS, pupils, focal deficits)15-min × 2 hrs → 30-min × 6 hrs → hourly × 16 hrs post-tPA; hourly otherwiseAny deterioration → urgent review
Blood pressureEvery 15 min post-tPA (2 hrs)See BP targets per phase
Blood glucoseEvery 4–6 hrs acutelyTarget 4–11 mmol/L; treat <4 or >12
TemperatureEvery 4 hrsTarget normothermia; treat fever >37.5°C with paracetamol
SpO₂ContinuousTarget ≥94%; supplemental O₂ only if SpO₂ <94%
Urine output / hydrationHourlyIV fluids: 0.9% NaCl; avoid glucose IV (worsens ischaemia)

Secondary Prevention

GCC-Specific Context

Stroke in GCC Populations

Key Exam Tips — DHA/SCFHS/QCHP

Exam MCQs — DHA / SCFHS / QCHP

Q1. A patient presents with sudden onset left arm weakness and facial drooping. Onset was 2 hours ago. CT head shows no haemorrhage. BP is 178/104 mmHg. What is the NEXT priority action?
C — Patient is within 4.5-hour window, CT excludes haemorrhage, BP is ≤185/110 (acceptable). tPA is the priority intervention. Aspirin is withheld for 24 hrs post-tPA. LMWH is NOT used in acute ischaemic stroke management acutely.
Q2. A nurse is caring for an acute stroke patient on a general medical ward. The patient is drowsy and unable to cooperate with a swallowing assessment. What action is CORRECT?
C — An uncooperative or drowsy stroke patient CANNOT be safely assessed for swallowing. Keep nil by mouth, insert NG tube for medications and nutrition, and refer to SLT urgently. Aspiration pneumonia kills post-stroke patients.
Q3. During alteplase infusion for acute ischaemic stroke, the nurse notes the patient's GCS drops from 14 to 9 and BP rises to 205/120. What is the IMMEDIATE action?
B — Neurological deterioration during tPA = suspect haemorrhagic transformation. STOP infusion immediately, call stroke team, urgent CT head. Prepare for reversal (cryoprecipitate 10 units, ± FFP, ± platelets). Do NOT continue infusion or attribute deterioration to expected side effects.
Q4. Which IV fluid is CONTRAINDICATED in acute ischaemic stroke management?
B — Glucose-containing fluids are contraindicated in ischaemic stroke. Hyperglycaemia worsens cerebral ischaemic injury through anaerobic metabolism, increased acidosis and oedema. Use 0.9% NaCl as the standard maintenance fluid.