Peter Drier, a bank technology manager in New York City, was blindsided after neck surgery by a $117,000 bill from a doctor he did not recall meeting. Credit Joshua Bright for The New York Times.
Cushing's triad, which includes bradycardia, hypertension (with widened pulse pressure), and a change in respiratory pattern, is seen in head injuries with increased intracranial pressure (ICP).
In the case of epidural hematoma in the posterior cranial fossa, the herniation is tonsillar and causes the Cushing's triad: hypertension, bradycardia, and irregular respiration. Epidural bleeding is rapid because it is usually from arteries, which are high pressure.