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Search and discover over 2,500 ECG reports written by cardiologist and intensivist Dr George Nikolić OAM.
Pacemaker Rhythm and LBBB
Report: Electronic demand pacemaker rhythm 70/min 2 Atrial fibrillation 2 Left bundle branch block (last 3 beats) 6 Comment: If it were not for the rhythm strip, few would notice the transition from pacemaker to supraventricular rhythm at the end of th
Atrial Pacemaker: Failure to Sense
Report:Sinus rhythm 80/min 1 Atrial pacemaker 2 Failure to sense 2 Blocked atrial P waves of pacemaker origin 4 Left bundle branch block 1 Comment:There is a profusion of pacemaker spikes and LBBB complexes, giving an initial impression of variable a
Ventricular Tachycardia or LBBB?
Report:Ventricular tachycardia 166/min. Fusion beats. Comment:The complexes could "pass" for LBBB aberrancy, except for QR morphology in lead 1 and the frontal plane axis of +85o. The occasional narrowing of the QRS is most likely result of ventricular
Ventricular Tachycardia: Electrical Alternans
Report:Ventricular tachycardia 153/min Sinus rhythm 86/min Complete A-V dissociation Comment:This is a fairly typical VT, LBBB-like, with slurred V1 downstroke. The diagnosis is strengthened by the obvious A-V dissociation. In lead 2 and V2-3, there i
LBBB-like Ventricular Tachycardia
Report: Ventricular tachycardia 168/min Comment: Some would say that the precordial pattern is that of negative concordance. A purist would point out that there are small R waves in V2 or V6; the complexes are not all completely negative. This fortunatel
March of Rosenbaumâs Extrasystoles
Report:Sinus rhythm VEBs Runs of non-sustained monomorphic ventricular tachycardia 138/min Borderline left atrial abnormality Nonspecific ST/T changes Comment:By definition, non-sustained VT lasts less than ½ minute. It is a different species from s
Left Bundle Branch Block-Like Ventricular Tachycardia
Report:Ventricular tachycardia 196/min[! XE !] Comment:This is a rapid VT with morphology quite similar to LBBB. The QRS duration is about 0.16â, best measured in the inferior leads. However, in V1, normally the most important diagnostic lead, it looks
Arrhythmogenic Right Ventricular Dysplasia
Report: Ventricular tachycardia 162/min Comment: The patient had dilated right atrium and ventricle, with normal, mildly hypertrophied left ventricle. The coronary arteries were also normal. In Casualty, adenosine 6 + 12 mg, verapamil 2.5 mg, then sotalo
Ventricular Tachycardia: A-V Dissociation
Report:Ventricular tachycardia 150/min A-V dissociation Comment:This is, again, a LBBB-like tachycardia with normal axis, in fact diagnosed by the computer as âLBBBâ. This is obviously not the case in view of the slow and notched, laboured descent t
Upright Retrograde P Waves
Report: Ventricular tachycardia 154 - 142/min Retrograde 1:1 conduction Upright retrograde P waves? Spontaneous termination after slowing to 142/min Junctional escape complex Non-specific ST/T changes VEB Comment: The tachycardia resembles, superfi