If that's something you've experienced, it could be a sign of orthostatic hypotension, characterised by a sudden drop in blood pressure. According to StatPearls Publishing, orthostatic hypotension ...

Orthostatic Hypotension (OH) is defined as a decrease in systolic blood pressure of 20 mmHg or more, or diastolic blood pressure of 10 mmHg or more with changes in position, which, for people with ...

As alluded to above, orthostatic hypertension is defined simply as an increase in blood pressure upon assumption of upright posture. One problem with the literature on this subject is that very ...

Orthostatic blood pressure measurements were performed after 10 minutes supine, and then when standing for 3 minutes. Blood pressure was measured continuously (digital photoplethysmography).

Objective To investigate the regulation of blood pressure in response to an orthostatic challenge in athletes running a marathon. Methods 10 experienced male runners (mean (SD) age 29 (4) years) were ...

The lightheadedness results from a decrease in blood pressure upon rising which decreases the amount of blood working against gravity to reach the brain (orthostatic hypotension). When a patient ...