Document Detail

Electrocardiographical case. Young woman with frequent syncope attacks.
MedLine Citation:
PMID:  17975699     Owner:  NLM     Status:  MEDLINE    
A 29-year-old woman with frequent syncope attacks was referred for electrophysiological study and consideration for radio-frequency ablation of her ventricular arrhythmias. Her ECG showed features of right ventricular outflow tract premature contraction. Differential diagnoses for the causes of syncope in this patient include: right ventricular outflow tract tachycardia, arrythmogenic right ventricular dysplasia, and neurocardiogenic syncope. She underwent a tilt table test, which showed a malignant cardioinhibitory response. She developed abrupt syncope with 32 seconds of asystole during the test. She was given intravenous atropine and was resuscitated. A dual chamber rate-responsive pacemaker was implanted for her the next day. She was discharged well subsequently. Although the prognosis in patients with prolonged aystole in malignant vasovagal syncope is unknown, most doctors will still choose to implant a permanent pacemaker for patients with malignant neurocardiogenic syncope when the sinus arrest is prolonged.
H W Gan; B C Lim; W S Teo
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Singapore medical journal     Volume:  48     ISSN:  0037-5675     ISO Abbreviation:  Singapore Med J     Publication Date:  2007 Nov 
Date Detail:
Created Date:  2007-11-02     Completed Date:  2008-01-07     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0404516     Medline TA:  Singapore Med J     Country:  Singapore    
Other Details:
Languages:  eng     Pagination:  1061-3; quiz 1064     Citation Subset:  IM    
National Heart Centre, Mistri Wing, 17 Third Hospital Avenue, Singapore 168752.
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MeSH Terms
Bundle-Branch Block / diagnosis*,  therapy
Diagnosis, Differential
Exercise Test
Pacemaker, Artificial
Syncope, Vasovagal / diagnosis*,  therapy
Ventricular Premature Complexes / diagnosis*,  therapy

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