Fainting (Syncope)

Fainting also known as syncope or passing-out is a medical condition of a short loss of consciousness. It happens when there is a brief decrease in the blood supply to the brain consequently from low blood pressure. Fainting usually happens suddenly and lasts usually < 1 min before recovery. It happens without warning; however, in some cases, before fainting, there are signs including dizziness, lightheadedness, sweating, pale/cold skin, and sometimes, nausea/vomiting. Any event that triggers blood pressure drop or reduces heart pumping blood out may cause fainting. The two common causes of fainting are reflex or meurocardiogenic syncope and cardiac arrhythmias.

Here lists diseases or conditions associated with fainting. On the right it is Quick Filter that lists Signs & Features of fainting. To find out the disease of your symptom, click the sign/feature that closely matches your symptoms. You will then see the disease or diseases associated with the sign/feature. To narrow the search, you can continue to click signs/features until you find the disease related to your condition. You can click the disease name to read a brief description.

Fainting by Reflex or Neurocardiogenic Syncope

Fainting by Cardiac Arrhythmias

Fainting by Orthostatic Hypotension,

Fainting by Dehydration

Fainting by Hypoglycemia

Fainting by Hysterical Syncope

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Fainting Signs and Features