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November 1, 1981Annals of Internal Medicine

Intracardiac Electrophysiologic Techniques in Recurrent Syncope of Unknown Cause

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Why the study?

Does intracardiac electrophysiologic study with programmed stimulation improve diagnosis and symptomatic relief in patients with recurrent unexplained syncope?

Population

25 patients with recurrent episodes of syncope, unexplained despite thorough medical and neurologic evaluation

Design

Case_series

Follow-up

mean 18 +/- 10 months

Authors

JDJohn DimarcoGeneral Cardiology

Discussion

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Implication

Supports EP study for diagnosis in recurrent syncope; leaves open randomized confirmation of benefit.

Structured PICO

Does intracardiac electrophysiologic study with programmed stimulation improve diagnosis and symptomatic relief in patients with recurrent unexplained syncope?

P
Population
25 patients with recurrent episodes of syncope, unexplained despite thorough medical and neurologic evaluation
I
Intervention
Intracardiac electrophysiologic study with programmed stimulation and subsequent therapy based on findings
O
Outcome
Diagnostic yield and symptomatic relief of syncopepatient reported

Intracardiac electrophysiologic study with programmed stimulation is useful for identifying the arrhythmic mechanism and guiding effective therapy in patients with recurrent unexplained syncope.

Cite This Study

John Dimarco (1981) studied this question.

synapsesocial.com/papers/6a7da0dcac8a0219183c934ehttps://doi.org/10.7326/0003-4819-95-5-542
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Syncope in Patients with Chronic Bifascicular Block1974 · 133 citations
  2. 2Repetitive responses to single ventricular extrastimuli in patients with serious ventricular arrhythmias: incidence and clinical significance.1981 · 40 citations
  3. 3Out-of-Hospital Cardiac Arrest1980 · 711 citations
  4. 4Prognostic value of infranodal conduction time in patients with chronic bundle branch block.1977 · 138 citations
  5. 5SYNCOPE IN A POPULATION OF HEALTHY YOUNG ADULTS1958 · 91 citations