That sudden wave of dizziness or lightheadedness after rising from a chair or bed is something almost everyone experiences at some point. For most, it lasts only a few seconds and resolves on its own.

Orthostatic hypertension is an underappreciated but potentially clinically important entity. As alluded to above, orthostatic hypertension is defined simply as an increase in blood pressure upon ...

Medically reviewed by Josephine Hessert, DO Key Takeaways Low blood pressure is when the force exerted by blood on artery walls is low.There are several types and many possible causes of low blood ...