Syncope, also called neurocardiogenic syncope and vasovagal syncope, is a technical term for fainting, losing consciousness, or passing out due to temporary insufficient blood flow to the brain. It has many common causes including extreme pain, emotional stress, prolonged standing, overheating, dehydration, or exhaustion.
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Most children and young adults who experience syncope do not have heart disease or significant arrhythmia, and don’t require medical testing. However, syncope can signal a life-threatening medical condition, when it:
- Occurs while you are exercising
- Is associated with palpitations or irregularities of the heart
- Occurs in people who have a family history of recurrent syncope or sudden cardiac death
Any person who has experienced syncope should be carefully examined by a physician, including having their blood pressure checked and heart rate measured while lying down and standing. Some patients will require an electrocardiogram (EKG or ECG) to test for abnormal heart rhythms.Back to Top