Vasovagal syncope is the most common type of all syncopes, affecting over 3 million people in the United States annually. “Vaso” refers to blood vessels and “vagal” refers to the main nerve contributing to heart rate. Vasovagal syncopal episodes usually occur when the victim is standing up too long in one place, but there are other causes as well, including fear, emotional stress, or pain. A few symptoms include nausea, diaphoresis (sweating), fading, and lightheadedness. It is not life-threatening and occurs sporadically. Situational syncope is a form of vasovagal. It is caused by urination, defecation, deglutition (swallowing), coughing, and carotid sinus syncope, which is just a variation of situational syncope. When it is triggered, the blood vessels in the lower half of the victim’s body suddenly dilate. This forces a significant amount of blood to pool in the legs which slows the heart rate, drops the blood pressure, and causes a cease in consciousness. Und...
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...ly in fact warm and refreshed.
The most popular story of fainting is the story of President Bush fainting in 2002 at the age of 55. While watching a football game on television in the White House, President H. W. Bush choked on a pretzel. From the choking, his heart rate decreased quickly as his breathing increased. Bush fell off of a couch and hit his head on the ground hard and ended up with a half-dollar-sized bruise and a cut on his lower lip. He was alone during the incident so there were not any eye-witnesses, but Bush remembered what happened right before the incident and believed he was only out for a short amount of time. After he fainted, he felt refreshed and perfectly fine, although he did go through a physical examination to rule out any other possible causes. His doctor, Dr. Abdul Giwa, says he fell victim to a brief vasovagal syncopal episode (Bazinet).
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