Cardiology

Postural hypotension in older adults related to poor cognition

Postural hypotension, a drastic drop in blood pressure when standing up, is linked to an increased risk of dementia and accelerated progression from cognitive impairment to dementia, even in the absence of symptoms, for instance ...

Medications

Drug interaction causes hypotension

The commonly used muscle relaxant tizanidine can lower blood pressure. Tizanidine is metabolized by the enzyme CYP1A2, and concurrent use of tizanidine and a CYP1A2 inhibitor, such as ciprofloxacin, greatly increases tizanidine ...

Surgery

Algorithm predicts dangerous low blood pressure during surgery

Scientists have developed an algorithm that predicts potentially dangerous low blood pressure, or hypotension, that can occur during surgery. The algorithm identifies hypotension 15 minutes before it occurs in 84 percent ...

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