Syncope is a mental symptom of feeling lightheaded or faint, leading to a decreased level of consciousness, or to a brief period of unconsciousness. Syncope is a temporary form of such symptoms as dizziness or faintness. Syncope has a number of causes. It is related to the brain not getting ...

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Summary: Syncope refers to a generalized weakness of muscles with loss of postural tone, inability to stand upright, and loss of consciousness. Once the patient is in a horizontal position, blood flow to the brain is no longer hindered by gravitation and consciousness is regained. Unconsciousness usually lasts for seconds ...1

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Simple Causes: Some of the possible causes of syncope or faintness include:

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Causes of Syncope

Syncope can also be a symptom of heart disease or abnormalities that create an uneven heart rate or rhythm that temporarily affect blood volume and its distribution in the body. Syncope isn’t normally a primary sign of a neurological disorder ...2

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Diagnosis of Syncope

Diagnosis: In some cases of fainting, you'll need to see a healthcare professional after the fainting episode to investigate whether there's an underlying health condition. Your GP will be able to diagnose the cause and determine whether further investigation ...3

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Causes List for Syncope

Possible causes of Syncope (or similar symptoms) may include:4

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Types of syncope include:

Related Symptoms: Similar symptoms include:

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Clinical Features of Syncope

If an individual is about to faint, he or she will feel dizzy, lightheaded, or nauseous and their field of vision may “white out” or “black out.” The skin may be cold and clammy. The person drops to the floor ...5

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Treatments for Syncope

Is there any treatment? The immediate treatment for an individual who has fainted involves checking first to see if their airway is open and they are breathing. The person should remain lying down for at least 10-15 minutes, preferably ...6

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Prevention of Syncope

If you've had a fainting episode, you can avoid it happening again by:

  • avoiding triggers - such as hot and crowded environments, or emotional stress
  • spotting the warning signs, such as feeling lightheaded, and lying down to increase blood flow ...
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  1. Source: GTR (NCBI/NIH): gtr/ conditions/ CN001173/ 
  2. Source: NINDS (NIH): disorders/ syncope/ syncope.htm
  3. Source: NHS Choices UK: conditions/ fainting/ diagnosis/ 
  4. Source: Algorithmically Generated List
  5. Source: NINDS (NIH): disorders/ syncope/ syncope.htm
  6. ibid.

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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.