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Labile hypertension occurs when there are unexpected changes in blood pressure.The term can be used to describe when people have blood pressure measurements that abruptly fluctuate from being abnormally high, approximately 140/90mm Hg or over and returns to its normal range.
High blood pressure is caused by the force of blood flow in the arteries being too high. ... Normal blood pressure fluctuates throughout the day, but healthy blood pressure is considered to be ...
Almost half of all U.S. adults have elevated blood pressure (systolic pressure between 120 and 19 and diastolic pressure less than 80). High blood pressure (hypertension, which is when the ...
Blood pressure is usually expressed in terms of the systolic pressure (maximum pressure during one heartbeat) over diastolic pressure (minimum pressure between two heartbeats) in the cardiac cycle. It is measured in millimeters of mercury (mmHg) above the surrounding atmospheric pressure , or in kilopascals (kPa).
Automated blood pressure measurements over 15 to 20 minutes in a quiet part of the office or clinic can reduce (but not eliminate) incorrect blood pressure measures. [8] People with white coat hypertension do not exhibit the signs indicative of trepidation and their increased blood pressure is often not accompanied by tachycardia. [9]
"Blood pressure tends to be higher during the day and lower at night, so I typically recommend taking blood pressure medications in the morning," Dr. Serwer explains.
Ambulatory blood pressure monitoring (ABPM) measures blood pressure at regular intervals throughout the day and night. It avoids the white coat hypertension effect in which a patient's blood pressure is elevated during the examination process due to nervousness and anxiety caused by being in a clinical setting.
Fluctuating blood pressure in older men — particularly older Black men — is tied to a heightened risk of cognitive decline. Image credit: MoMo Productions/Getty Images.