Orthostatic hypotension — also called postural hypotension — is a form of low blood pressure that happens when standing after sitting or lying down. Typically OH causes mild dizziness, lightheadedness ...

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 ...

Postural orthostatic tachycardia syndrome (POTS) is a common heterogeneous form of cardiovascular autonomic dysregulation. The exact cause of POTS remains unclear. Patients typically complain of ...