Reflex syncope is the result of a reflex response to some trigger, in which the heart slows or blood vessels dilate (widen). This causes blood pressure to drop, ...

Syncope is a symptom that can be due to several causes. Many non-life-threatening factors, such as overheating, dehydration, heavy sweating, exhaustion or the ...

21 окт. 2024 г. · Syncope is also called fainting or passing out. It most often occurs when blood pressure is too low and the heart doesn't pump enough oxygen to the brain.

It is caused by a decrease in blood flow to the brain, typically from low blood pressure. There are sometimes symptoms before the loss of consciousness such as ...

2 мар. 2023 г. · Vasovagal syncope occurs when the part of your nervous system that regulates heart rate and blood pressure malfunctions in response to a trigger ...

Syncope is caused by a reduction in cerebral blood flow due to a drop in blood pressure. A fall in systolic blood pressure to below 60mmHg with or without a ...

What causes syncope? There are two types of syncope: vasovagal syncope and cardiac syncope. Vasovagal syncope accounts for more than half of fainting incidents.

11 сент. 2024 г. · Volume depletion due to blood loss, vomiting, diarrhea, poor oral intake, and diuretics also causes orthostatic syncope. Dehydration and ...