A member asked:

Why could my systolic pressure change, but not my diastolic pressure?

4 doctors weighed in across 2 answers
Dr. Louis Grenzer answered

Specializes in Cardiology

They are different: Some patients have both a high systolic and diastolic blood pressure, but either can be elevated with the other being normal. The systolic pressure many times tends to be somewhat more variable and more affected by anxiety. Certain conditions such as a leaking of the aortic valve tend to elevate one (in that case the systolic) more than the other.

Answered 7/20/2012

6.3k views

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Dr. Ibrahim Moussa answered

Specializes in Internal Medicine - Cardiology

Both can: But your systolic blood pressure can vary more based on your activity, stress, and the volume of fluid in your vessels.

Answered 3/20/2014

5k views

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