Accelerated idioventricular rhythm - Revision history

Danbot: Add verified PubMed references (PMIDs 36670379)

2026-03-22T10:59:13Z

Add verified PubMed references (PMIDs 36670379)

← Revisión anterior		Revisión del 10:59 22 mar 2026
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	[[File:SinusRhythmLabels.svg\|thumb]]		[[File:SinusRhythmLabels.svg\|thumb]]
	[[File:ConductionsystemoftheheartwithouttheHeart-en.png\|thumb\|Conduction system of the heart.]]		[[File:ConductionsystemoftheheartwithouttheHeart-en.png\|thumb\|Conduction system of the heart.]]
	*Results when rate of an ectopic ventricular pacemaker exceeds sinus node		*Results when rate of an ectopic ventricular pacemaker exceeds sinus node<ref>Ljubas Perčić D, et al. Frequent accelerated idioventricular rhythm in an otherwise healthy child: a case report and review of literature. BMC Cardiovasc Disord. 2023 Jan 20;23(1):37. PMID 36670379</ref>
	*Usually benign,self limiting		*Usually benign,self limiting
	*Terminology		*Terminology

2022-01-08T03:33:12Z

Background

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	==Background==		==Background==
			[[File:SinusRhythmLabels.svg\|thumb]]
			[[File:ConductionsystemoftheheartwithouttheHeart-en.png\|thumb\|Conduction system of the heart.]]
	*Results when rate of an ectopic ventricular pacemaker exceeds sinus node		*Results when rate of an ectopic ventricular pacemaker exceeds sinus node
	*Usually benign,self limiting		*Usually benign,self limiting

2022-01-08T03:31:40Z

2022-01-08T03:31:26Z

Evaluation

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	==Evaluation==		==Evaluation==
			[[File:AIVR from the LV.png\|thumb\|Accelerated idioventricular rhythm (AIVR) at a rate of 55/min presumably originating from the left ventricle (LV). Note the typical QRS morphology in lead V1 characteristic of ventricular ectopy from the LV. Monophasic R-wave with smooth upstroke and notching on the downstroke (i.e., the so-called taller left peak or "rabbit-ear".)]]
	===[[ECG]] features===		===[[ECG]] features===
	*Regular rhythm		*Regular rhythm

2021-06-30T14:44:45Z

External Links

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	==External Links==		==External Links==
	*http://lifeinthefastlane.com/ecg-library/aivr/		*[http://lifeinthefastlane.com/ecg-library/aivr/ LITFL - Accelerated Idioventricular Rhythm (AVIR)]

	==References==		==References==

2019-09-23T23:33:02Z

Management

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	*AIVR is a benign rhythm in most settings and does not usually require treatment		*AIVR is a benign rhythm in most settings and does not usually require treatment
	*Self limiting and resolves when sinus rate exceeds that of the ventricular foci		*Self limiting and resolves when sinus rate exceeds that of the ventricular foci
	*~~Anti-arrhythmics~~ may cause precipitous haemodynamic deterioration and should be avoided		*[[Antiarrhythmics]] may cause precipitous haemodynamic deterioration and should be '''avoided'''
	*Treat the underlying cause: e.g. correct electrolytes, restore myocardial perfusion		*Treat the underlying cause: e.g. correct electrolytes, restore myocardial perfusion
	*Patients with low-cardiac-output states (e.g. severe biventricular failure) may benefit from restoration of AV synchrony to restore atrial kick – in this case atropine may be trialled to increase sinus rate and AV conduction		*Patients with low-cardiac-output states (e.g. severe biventricular failure) may benefit from restoration of AV synchrony to restore atrial kick – in this case [[atropine]] may be trialled to increase sinus rate and AV conduction

	==Disposition==		==Disposition==

2019-04-05T06:37:05Z

Differential Diagnosis

2016-11-17T06:42:19Z

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	*Results when rate of an ectopic ventricular pacemaker exceeds sinus node		*Results when rate of an ectopic ventricular pacemaker exceeds sinus node
	*Usually benign,self limiting		*Usually benign,self limiting
			*Terminology
			**Idioventricular rhythm: 20-40 bpm
			**Accelerated idoventricular rhythm: 40-120 bpm
			**Ventricular tachycardia: >120 bpm

	===Causes===		===Causes===

2016-07-21T22:04:01Z

Text replacement - "==Diagnosis==" to "==Evaluation=="

2016-06-09T04:05:32Z

Differential Diagnosis