Peter Hibberd, M.D., is a doctor whose advice is based on more than 28 years of hospital outpatient and inpatient experience. He is an experienced emergency medicine physician, surgeon, and consultant. Dr. Hibberd is certified by the American Board of Emergency Medicine. He is also a fellow and active member of the American Academy of Family Physicians, an active member of the American College of Emergency Physicians, and a member and fellow of the American Academy of Emergency Medicine. Dr. Hibberd has earned numerous national and international professional certifications, memberships, and awards.
Tags: orthostatic | hypertension | dizzy | standing | up | blood | pressure

I Get Dizzy When I Stand

Wednesday, 04 April 2012 09:33 AM

Dr. Hibberd, I am a big fan of your column. I am a man in my 60s and try to stay active. I’ve noticed that when gardening and bending down for a while I get dizzy when I get back up. When take my blood pressure reading it is crazy high. It goes back to normal after a little while. What do you think is happening?

Dr. Hibberd's answer:
Do you also have hypertension and/or diabetes? An increase in blood pressure upon assumption of upright posture is called orthostatic hypertension and it usually happens when there is excessive venous pooling leading to a decrease in cardiac output, resulting in increased sympathetic activity and high blood pressure. Recognition of the presence and degree of orthostatic hypertension might be clinically important for a number of reasons. Orthostatic hypertension might be a symptom of other treatable conditions, such as an important risk factor for silent cerebrovascular ischemia and infarct. Also you need to note how much of an increase is present in systolic and diastolic blood pressure measurements. Please do consult your doctor to discuss these details with him and rule out any other underlying causes that may be associated with this condition.

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An increase in blood pressure upon standing upright is called orthostatic hypertension.
Wednesday, 04 April 2012 09:33 AM
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