The diagnostic approach is focused on determining if loss of consciousness was due to syncope (ruling out differential diagnoses), ruling out immediately life-threatening causes of syncope, and determining the risk of serious adverse events from syncope, which further guide management and disposition. It can be divided into cardiac syncope, e.g., due to arrhythmias or structural heart disease (potentially life-threatening), and noncardiac syncope, which includes frequently benign causes such as reflex syncope (due to vasovagal responses or carotid sinus syndrome) and orthostatic syncope. Advice, however, must be sought from a medical professional to establish a diagnosis.Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral hypoperfusion. Whilst an episode of syncope can be frightening to the person experiencing it and their families who often witness it, the majority of causes for syncope are easily identified and treated. These injuries can often cause the person more health difficulties than the syncope itself. When a person faints they often injure themselves as a result of falling, often without trying to protect themselves from injury.
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