1887

n CME : Your SA Journal of CPD - Sinus node dysfunction : ECG education

Volume 22, Issue 4
  • ISSN : 0256-2170
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Abstract

Asymptomatic sinus pauses > 2 seconds occur in 11% of normal individuals and even more commonly in athletes (36%). <br>Tests for sinus node dysfunction at electro-physiological study are only 70% sensitive and 90% specific. <br>The key to successful treatment of sinus node dysfunction is to establish a link between ECG abnormalities and symptoms - a difficult task. <br>Single-chamber ventricular pacing is a poor form of treatment for sinus node dysfunction because it promotes the development of atrial fibrillation. <br>Provided that there is no evidence of AV conduction delay at the time of implantation/presentation, singlechamber atrial pacing is a good treatment for sinus node dysfunction because the subsequent development of AV block is only 2.7% per annum.

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/content/m_cme/22/4/EJC62751
2004-04-01
2016-12-11

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