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Key terms: syncope blood causes fainting heart occur brain loss oxygen pressure ecg vagal hypoxia symptoms fall response skin fear legs medical typically vision weakness conditions carotid cardiac increased abnormal breathing prevent factors associated underlying medicina collapse activity hypotension less than mechanism low blood diagnosis dizziness may occur adrenergic blood pressure blood volume electrocardiogram holter monitor loss of consciousness vasovagal syncope Search external links cited by footnotes on Wikipedia page Syncope (medicine): |
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