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Syncope

Definition

Syncope is a temporary or brief suspension of consciousness due to deficiency of oxygen in the brain (see hypoxia), sudden lowering of one's blood pressure, etc. Synonyms are "fainting" and "swooning".

Additional Info

Syncope or fainting denotes a short-term (transient) effect. A state of prolonged unconciousness from which the victim can not be awakened is called a coma.

When someone passes out, there is always the additional danger of head, neck and/or back injuries if they fall. Exercise caution when assisting someone who has fainted to avoid aggravating these secondary injuries.

MSDS Relevance

This is a fancy word for "fainting spell" on a Material Safety Data Sheet. Fainting can occur for many reasons, such as standing up too fast, inhalation of an organic chemical, low blood sugar (from not eating), fatigue, a panic attack or other medical conditions.

Anyone who suffers an unexplained fainting spell should be medically evaluated, particulary if this happens more than once or is associated with palpitations, bradycardia (slow heart beat; or irregular heartbeat) or exercise.

Further Reading Summary of syncope at the American Heart Association. eMedicine.com has an extensive article written for physicians rather than lay persons. Exercise-Related Syncope in the Young Athlete: Reassurance, Restriction or Referral? at the American Academy of Family Physicians. Definition of Syncope at MedicineNet. Syncope (Fainting) in the Merck Manuals. Diagnosing Heart-Related Fainting at Medtronic. See also: bradycardia, coma, tachycardia. Additional definitions from Google and OneLook.

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Disclaimer: The information contained herein is believed to be true and accurate, however ILPI makes no guarantees concerning the veracity of any statement. Use of any information on this page is at the reader's own risk. ILPI strongly encourages the reader to consult the appropriate local, state and federal agencies concerning the matters discussed herein.