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Review

Evaluation of syncope: focus on diagnosis and treatment of neurally mediated syncope

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Pages 725-736 | Received 07 Dec 2015, Accepted 03 Mar 2016, Published online: 08 Apr 2016
 

ABSTRACT

Syncope, defined as a transient loss of consciousness secondary to global cerebral hypoperfusion, is common in the general population. The single most helpful “test” in the evaluation of patients with syncope is a thoughtful history, with recent evidence that structured histories are remarkably effective in arriving at a diagnosis. In addition to the history, physical examination, and electrocardiogram, arriving at a diagnosis of syncope can involve monitoring and provocative strategies. The majority of patients with syncope have neurally mediated syncope and a favourable prognosis. The management of neurally mediated syncope continues to largely revolve around education, avoidance of triggers, reassurance, and counter-pressure maneuvers. The evidence surrounding medical therapy in vasovagal syncope is not strong to date. Pacemaker therapy is reasonable in older patients with recurrent, unpredictable syncope with pauses, but should be considered as a last resort in younger patients.

Financial & competing interests disclosure

The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.

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