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| Table of Electrocardiographic Diagnoses | |
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| Rhythm Abnormalities | |
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| Supraventricular Rhythms and Complexes | |
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| Sinus rhythm | |
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| Sinus arrhythmia | |
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| Sinus bradycardia | |
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| Sinus tachycardia | |
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| Wandering atrial pacemaker within the sinus node | |
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| Wandering atrial pacemaker to the AV junction | |
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| Sinus arrest or pause | |
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| Sinoatrial exit block | |
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| Ectopic atrial rhythm | |
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| Atrial premature complexes, normally conducted | |
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| Atrial premature complexes, aberrantly conducted | |
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| Atrial premature complexes, nonconducted | |
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| Multifocal atrial rhythm | |
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| Multifocal atrial tachycardia | |
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| Atrial tachycardia, regular 1:1 conduction, sustained | |
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| Atrial tachycardia, regular 1:1 conduction, short paroxysms | |
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| Atrial tachycardia, with non-1:1 conduction (with block) | |
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| Supraventricular tachycardia, unspecified | |
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| Atrial flutter | |
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| Atrial fibrillation | |
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| AV Junctional Rhythms and Complexes | |
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| AV junctional rhythm | |
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| AV junctional escape rhythm | |
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| AV junctional rhythm, accelerated | |
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| AV junctional escape complexes | |
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| AV junctional premature complexes | |
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| Ventricular Rhythms and Complexes | |
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| Ventricular premature complex(es), uniform | |
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| Ventricular premature complex(es), multiform | |
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| Ventricular premature complexes, paired | |
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| Ventricular parasystole | |
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| Ventricular tachycardia | |
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| Accelerated idioventricular rhythm | |
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| Ventricular fibrillation | |
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| Torsades de pointes | |
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| Pacemaker Function, Rhythms, and Complexes | |
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| Single-chamber atrial pacing | |
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| Single-chamber pacemaker, ventricular pacing on demand | |
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| Single-chamber pacemaker, ventricular pacing with complete control | |
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| Dual-chamber pacemaker, atrial sensing with ventricular pacing | |
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| Dual-chamber pacemaker, atrial and ventricular sensing and pacing | |
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| Pacemaker malfunction, failure to capture atrium or ventricle appropriately | |
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| Pacemaker malfunction, failure to sense atrial or ventricular complexes appropriately | |
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| Pacemaker malfunction, failure to fire appropriately on demand (inappropriate sensing of stimuli or complex) | |
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| AV Conduction Abnormalities | |
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| AV block, first-degree | |
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| AV block, second-degree, Mobitz I (Wenckebach) | |
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| AV block, second-degree, Mobitz II | |
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| AV block, second-degree, 2:1 | |
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| AV block, high-grade | |
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| AV block, third-degree or complete | |
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| Accelerated AV conduction (short PR interval pattern with normal QRS duration in sinus rhythm) | |
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| Ventricular preexcitation (WPW pattern) | |
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| Physiologic AV conduction delay associated with supaventricular tachyarrhythmias | |
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| Nonphysiologic AV conduction delay associated with su praventricular tachyarrhythmias | |
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| Miscellaneous AV Relationships | |
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| Ventriculophasic sinus arrhythmia | |
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| AV dissociation | |
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| Reciprocal (echo) complexes | |
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| Retrograde atrial activation from a ventricular focus | |
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| Fusion complexes | |
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| Ventricular capture complexes | |
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| Interpolation of ventricular premature complexes | |
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| P-Wave Abnormalities | |
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| Right atrial abnormality | |
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| Left atrial abnormality | |
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| Biatrial abnormality | |
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| Nonspecific atrial abnormality | |
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| PR depression | |
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| Abnormalities of Qrs Axis or Voltage | |
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| Left axis deviation | |
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| Right axis deviation | |
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| Poor R-wave progression | |
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| Low voltage, limb leads | |
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| Low voltage, precordial leads | |
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| Electrical alternans | |
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| Intraventricular Conduction Abnormalities | |
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| Right bundle branch block, complete | |
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| Right bundle branch block, incomplete | |
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| Left anterior fascicular block | |
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| Left posterior fascicular block | |
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| Left bundle branch block, complete | |
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| Left bundle branch block, incomplete | |
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| Intraventricular conduction delay, nonspecific (includes IVCD associated with chamber enlargement) | |
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| Probable aberrant intraventricular | |