JAMA : the journal of the American Medical Association
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Case Reports
Did This Patient Have Cardiac Syncope?: The Rational Clinical Examination Systematic Review.
Syncope can result from a reduction in cardiac output from serious cardiac conditions, such as arrhythmias or structural heart disease (cardiac syncope), or other causes, such as vasovagal syncope or orthostatic hypotension. ⋯ The clinical examination, including the electrocardiogram as part of multivariable scores, can accurately identify patients with and without cardiac syncope.