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Supine hypertension is a paradoxical elevation in blood pressure upon assuming a supine position from a standing or sitting position. [1] [2] [3] It is assumed to be a manifestation of disorders of the autonomic nervous system [4] or due to side effects of medications such as midodrine and droxidopa. [5] [6]
The prevalence of this condition has been studied in various populations. In a study conducted in 1922, it was found that 4.2% of 2000 apparently healthy aviators aged 18 to 42 years had an increase in diastolic blood pressure from below 90 mmHg while in the supine position to above 90 mmHg in the upright posture. [24]
The results are only meaningful if performed in the correct order (starting with supine position). [ 2 ] [ 3 ] [ 4 ] Used to identify orthostatic hypotension , [ 5 ] orthostatic vital signs are commonly taken in triage medicine when a patient presents with vomiting , diarrhea or abdominal pain ; with fever ; with bleeding; or with syncope ...
An accurate blood pressure reading is an important part of preventive health care. Researchers from Johns Hopkins Medicine have found that certain arm positions commonly used to take blood ...
New research shows that different arm positions can produce different blood pressure readings. Blood pressure readings taken when an arm is resting on a hard surface are slightly lower than when ...
“Blood pressure is the pressure that your arteries are experiencing during the entirety of your life, ... “Changing the position that you’re in, going from sitting to standing, will change ...
Blood pressure and heart rate should be measured in supine and standing positions. As described above, orthostatic hypotension diagnosis is when there is a drop of greater than or equal to 20 mmHg or greater or equal to 10 mmHg in systolic and diastolic blood pressures, respectively within 3 minutes of standing. [1]
The basic physiological change that occurs in the body during prolonged standing or sudden stand from supine position is that there will be increased pooling of blood in the legs. This decreases the venous return, and so there will be decreased cardiac output, which ultimately causes systolic blood pressure to fall (hypotension).
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