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Questions and Answers
What is the primary purpose of giving calcium channel blocker (Nimodipine) regularly after a subarachnoid hemorrhage?
What is the primary purpose of giving calcium channel blocker (Nimodipine) regularly after a subarachnoid hemorrhage?
- To decrease the chance of brain damage due to hypoperfusion
- To increase blood flow to the area and reduce ischemia
- To relax smooth muscles of vessel wall and prevent vasospasm (correct)
- To maintain homeostasis of fluids and electrolytes
When does vasospasm usually occur after a subarachnoid hemorrhage?
When does vasospasm usually occur after a subarachnoid hemorrhage?
- Between 4 and 14 days after the bleed/stroke (correct)
- After 21 days from the bleed/stroke
- Between 1 and 3 days after the bleed/stroke
- Immediately after the bleed/stroke
What is the consequence of vasospasm following a subarachnoid hemorrhage?
What is the consequence of vasospasm following a subarachnoid hemorrhage?
- It slows blood flow to the area, causing ischemia (correct)
- It increases blood flow to the area, leading to edema
- It causes a sudden drop in blood pressure
- It triggers excessive clotting in the affected vessels
