Syncope: definitions, classification, diagnostics
Debreceni Egyetem Általános Orvostudományi Kar, Belgyógyászati Intézet, Sürgősségi Orvostan Tanszék, Debrecen
Syncope is a transient loss of consciousness due to transient global cerebral hypoperfusion, characterised by rapid onset, short duration, and spontaneous complete recovery. Syncope is a common symptom in the clinical practice. Syncope may have a variety of causes. A so called a reflex or neurally-mediated syncope is the most common type of syncope. The second most common causes of syncope are cardiovascular in origin and are associated with a high mortality in patients with underlying heart disease. The evaluation and management of syncope has basically changed over the past 20 years. The authors summarize the most recent knowledge about the definition, classification and evaluation of syncope.