postural dizziness

When should I worry about severe dizziness and a spinning sensation when I stand up?

When should I worry about severe dizziness and a spinning sensation when I stand up?

1. Introduction Experiencing severe dizziness and a profound spinning sensation immediately upon standing requires prompt medical investigation to distinguish between a transient cardiovascular deficit and a mechanical disruption within the vestibular balance centers. This alarming symptom typically arises from either orthostatic hypotension—a sudden, temporary drop in blood pressure reaching the brain—or Benign Paroxysmal Positional Vertigo, … Read more

Is it normal to feel dizzy when standing up from a chair too quickly?

Is it normal to feel dizzy when standing up from a chair too quickly?

1. Introduction Experiencing a brief episode of dizziness or lightheadedness when transitioning rapidly from a seated or lying position to a standing posture is a highly common physiological event. This sensation is primarily caused by a sudden, temporary drop in blood pressure, a mechanism clinically referred to as orthostatic hypotension or postural hypotension. In the … Read more