Key result
Targeted evaluation differentiates benign vasovagal syncope from high-risk cardiovascular etiologies.
Why the study?
Cardiovascular syncope has diverse causes ranging from benign to serious, requiring thorough evaluation for accurate diagnosis and management.
A thorough medical history, physical examination, and targeted testing are key to diagnosing and managing cardiovascular syncope.
History and exam guide syncope evaluation in athletes; Level 5 evidence leaves open optimal testing strategies.
In brief Something as benign as a vasovagal reflex or as serious as hypertrophic cardiomyopathy can cause cardiovascular syncope. A thorough medical history and physical examination often provide clues to the underlying etiology. Laboratory tests such as a head-up tilt test, an event recorder, or a signal-averaged ECG can provide further diagnostic information. Treatment may include such simple measures as recommending that the patient avoid the sight of blood, or it may mean prescribing drug therapy or correcting a heart defect. Usually, an athlete can resume exercise after a syncopal episode, but sometimes modifications of activities are necessary.
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Cantwell et al. (1992) conducted a review in Cardiovascular syncope. Cardiovascular syncope can range from benign vasovagal reflexes to serious conditions like hypertrophic cardiomyopathy, requiring thorough history, physical examination, and targeted testing.
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