During an upright tilt, a person's cardiovascular system has to adjust in order to prevent a significant portion of the blood volume from pooling in the legs. These adjustments consist of a mild ...

For men, when urinating in the middle of the night, urinate sitting down on the toilet and not standing up. For men and women, avoid pushing when urinating or defecating in the middle of the night.

Older woman develops recurrent syncope soon after starting acamprosate; extensive cardiac and neurologic evaluation is negative and symptoms resolve after discontinuation.

Also known as the "common faint," vasovagal syncope (pronounced vay-zoh-Vay-gul Sing-kuh-pee) results from an abnormal circulatory reflex and could be caused by a number of factors: Environment: The ...