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[Syncope: general characteristics and its relation to age].

A Dougnac, A Kychenthal, S Loyola

    Revista Medica De Chile
    |November 1, 1989
    PubMed
    Summary
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    A definite cause for syncope was found in 62% of patients, with most cases being cardiovascular. This study highlights key diagnostic tools for identifying the origin of syncope in hospitalized patients.

    Area of Science:

    • Cardiology
    • Internal Medicine
    • Clinical Diagnostics

    Context:

    • Syncope is a common clinical presentation requiring accurate diagnosis.
    • Understanding the etiology of syncope is crucial for patient management and prognosis.
    • This study examines causes and diagnostic methods for syncope in a general hospital setting.

    Purpose:

    • To retrospectively analyze the causes of syncope in 146 hospitalized patients.
    • To identify the diagnostic tools most effective in determining the origin of syncope.
    • To assess the distribution of cardiovascular versus non-cardiovascular causes of syncope.

    Summary:

    • A definite or highly likely cause of syncope was identified in 91 patients (62%).
    • Cardiovascular origins accounted for 78% of identified causes, including conduction defects and sinus node disease.

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  • Non-cardiovascular causes comprised 22%, with intoxication and vasovagal episodes noted. Diagnosis relied on history, physical examination, ECG, Holter monitoring, and echocardiography.

    • Impact:

    • Establishes the prevalence of cardiovascular causes in hospital-diagnosed syncope.
    • Provides insights into the utility of various diagnostic modalities for syncope.
    • Informs clinical practice regarding the workup and management of syncope patients, with a low in-hospital mortality of 2%.