The initial evaluation of patients with transient loss of consciousness (LOC) comprises a detailed medical history, physical examination, and 12-lead electrocardiogram. Because there are many causes of syncopal and nonsyncopal LOC, an adequate method of taking the clinical history, which is the cornerstone of diagnosing patients with transient LOC, should be used.
Keywords: Cataplexy; Epilepsy; Fall; Psychogenic pseudosyncope; Syncope; Transient ischemic attack.
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