A patient develops sudden onset of confusion, slurred speech, right-sided weakness, and facial drooping. The nurse suspects a stroke. The most critical initial action is to:
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DObtain emergency CT scan of the head to differentiate ischemic from hemorrhagic stroke
✓ Correct answer: D. Obtain emergency CT scan of the head to differentiate ischemic from hemorrhagic strokeAn emergency non-contrast CT scan of the head is essential to differentiate ischemic stroke (treatable with tPA if eligible) from hemorrhagic stroke (where tPA is contraindicated). The time window for tPA is 3–4.5 hours from symptom onset.
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