Accelerated idioventricular rhythm - Causes, Symptom, Cure, Treatment of Accelerated idioventricular rhythm

Synonyms and related keywords: AIVR, ventricular arrhythmia, slow ventricular tachycardia, VT, ventricular escape rhythm

What is Accelerated idioventricular rhythm?

Accelerated idioventricular rhythm (AIVR) is a form of ectopic or automatic ventricular arrhythmia. This disease is characterized by a ventricular rate that is slower than traditionally defined ventricular tachycardia (VT). A transient and intermittent type of arrhythmia with episodes lasting from a few seconds to a minute which usually occurs in patients with acute myocardial infarction or with digitalis toxicity. Accelerated idioventricular rhythms are often exhibited by patients following acute myocardial infarction.

Causes of Accelerated idioventricular rhythm

Accelerated idioventricular rhythm condition arises from subordinate or second-order pacemakers and manifests itself when the patient's prevailing sinus rate becomes lower than the accelerated rate of the otherwise suppressed focus. In this disease sinus bradycardia combined with enhanced automaticity of the subordinate site is the common pathophysiology.

Symptoms of Accelerated idioventricular rhythm

Followings are some noticable signs and symptoms of Accelerated idioventricular rhythm

Treatment

Discontinuation of offending agents is crucial. Other treatments include magnesium sulfate and overdrive pacing.





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