A member asked:

Why the increasing in the intracranial pressure causing bradycardia?

A doctor has provided 1 answer

Parasympathetic resp: Part Cushing Triad/reflex: Caused by the increased intracranial pressure (ICP) that initially increases heart rate and cardiac output to improve cerebral ischemia but then the aortic barorreceoptors detect it and trigger a parasympathetic response via the Vagus nerve (second phase of Cushing response). Direct distortion of the Vagus by elevated ICP can also trigger bradycardia directly.

Answered 11/29/2015

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