| | | | | | | | | | | | | Arrhythmia | | |
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| | | | Bradyarrhythmia | | | | | | | Arrhythmia with normal heart rate | | | | | | | Tachyarrhythmia |
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| | | | | | | | | | The origin of the impulse: Atria | | The origin of the impulse: AV junction | | The origin of the impulse: Ventricles | | | | | | | | | |
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| | | | | | | | | | Sinus arrhythmia Atrial bigeminy | | Accelerated junctional rhythm Junctional bigeminy | | Accelerated idioventricular rhythm Ventricular bigeminy | | | | | | | | | |
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The origin of the impulse: Atria | | The origin of the impulse: AV junction | | The origin of the impulse: Ventricles | | | | | | | Narrow complex tachycardia (SVT) | | | | | | | Wide complex tachycardia | |
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Normal variant: Respiratory sinus arrhythmia Sinus node dysfunction: Sinus bradycardia Sinoatrial block Sinus arrest Sick sinus syndrome
Abnormality in the atria: Low atrial focus bradycardia Atrial bigeminy
AV node dysfunction: First degree AV block Second degree AV block Complete or third-degree AV block | | Junctional escape rhythm Junctional bigeminy | | Isorhythmic A-V dissociation Slow VT (idioventricular rhythm) Ventricular escape rhythm Escape capture bigeminy | | | The origin of the impulse: Atria | | | | The origin of the impulse: AV junction | | | The origin of the impulse: Atria or AV junction | | | The origin of the impulse: Ventricles |
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| | | | | | | | | | | Atrial fibrillation Atrial flutter Ectopic atrial rhythm Multifocal atrial tachycardia (MAT) Paroxysmal atrial tachycardia (PAT) with block Premature atrial contractions (PAC) Sinus tachycardia Wandering atrial pacemaker Sick sinus syndrome | | AVNRT
AVRT (accessory pathway): - Wolff-Parkinson-White syndrome (WPW) - Lown-Ganong-Levine syndrome (LGL) | | Accelerated junctional rhythm Junctional ectopic tachycardia | | | SVTAC (SVT with aberrant conduction):
Left bundle branch block Left anterior hemi-block Lefo posterior hemi-block Right bundle branch block Trifascicular block | | | Ventricular tachycardia Ventricular fibrillation Ventricular parasystole Ventricular bigeminy |
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| | | | | | | | | | | | | | | | | | | | | | | The origin of the impulse: Atria, AV junction or ventricles
Presence of an accessory pathway | | | | The origin of the impulse: Pacemaker |
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| | | | | | | | | | | | | | | | | | | | | | | Accessory pathway
Wolff-Parkinson-White syndrome (WPW) Lown-Ganong-Levine syndrome (LGL) | | | | Paced rhythm
Pacemaker-mediated tachycardia Runaway pacemaker syndrome Sensor induced tachycardia |