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Case 30: Hypocapnic Cerebral Hypoperfusion with Paced Breathing 

Case 30: Hypocapnic Cerebral Hypoperfusion with Paced Breathing
Case 30: Hypocapnic Cerebral Hypoperfusion with Paced Breathing

Peter Novak

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date: 02 December 2020

In this patient, cerebral blood flow velocity (CBFv) was reduced by 38% during the tilt. Decline in CBFv was due to hypocapnia-induced cerebral vasoconstriction, typical for hypocapnic cerebral hypoperfusion (HYCH). Patient reported dizziness, shortness of breath, and confusion during the tilt. Blood pressure during tilt showed prominent oscillations characteristic of hypovolemia.

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