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PubMed · 6515291

Emergency situations in sinus node dysfunction.

Abstract

Sinus node dysfunction may produce in some cases life threatening medical emergencies. From 138 patients with sinus node dysfunction followed up in our department, we present 8 cases in which emergency situations required special therapeutical approaches (precordial thump, atrial or ventricular pacing, permanent pacemaker implantation). These situations appeared spontaneously, during the investigation procedures or after conversion of atrial fibrillation, performed for therapeutic purposes, when this arrhythmia concealed a sinus node dysfunction. The tachy-brady-arrhythmia could be influenced only by the implantation of a permanent pacemaker.

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M Repolski, S Cotoi. Emergency situations in sinus node dysfunction.. https://pubmed.ncbi.nlm.nih.gov/6515291/

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The search for a pacemaker that accurately and easily mimics normal physiology is a continuing effort. There have been many achievements in the past, including sensing of the pacing chamber and programming of the pacing rate, sensitivity, and output. Present pacing developments include atrioventricular synchrony and rate adaptiveness. Results of studies on activation sequence and circadian variations will impact future pacing. The usefulness, cost effectiveness, and clinical value of some of the new pacing features remain unclear. Further clinical trials are necessary to clarify the value of new pacing techniques.

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