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Search and discover over 2,500 ECG reports written by cardiologist and intensivist Dr George Nikolić OAM.
Alternating Paced and Fusion Beats
Report: Slow atrial or junctional rhythm 38/min 2 Ventricular pacemaker rhythm 79/min 2 Superior electrode placement 2 Fusion in alternate beats 2 Presumptive RBBB 1 ST/T changes of uncertain significance 1 Comment: The narrower (0.12 sec) complexes are p
Atrial Pacemaker Captures During 2:1 AV Block
Report: Sinus rhythm 0.5 AV sequential (known DDD) pacemaker 0.5 Atrial sensing & pacing 1.0”escape interval 1 AV interval 0.30” atrial-paced beats and one conducted sinus beat 1 Failed ventricular pacing 1 Second degree AV block 2:1 alternate paced
Ectopic Pacemaker
Report:AV pacemaker rhythm 59/min; AV interval 020” (as programmed) 0.5 Displaced ventricular lead 3 Intermittent failure to pace & native QRS conduction at spike-R interval 0.36” 4 Failure to sense (the delayed atrial-paced native QRS) 2 ST/T changes
Pacemaker Confusion in Pseudofusion: Transposition of Great Vessels
Report: Sinus tachycardia 110/min 1 Left atrial abnormality (LAA) 1 Indeterminate abnormal axis ±194o 2 Right ventricular hypertrophy 3 Pacemaker sensing spikes (pseudofusion beats) 3 Comment: The spikes occur after the onset of the QRS complex, pr
Flutter Bigeminy
Report:Atrial flutter 252/min 2 Alternating 2:1 & 4:1 block 2 Demand pacemaker 1 Pseudofusion spikes in alternate complexes 2 Small voltage, limb leads 1 Possible old anteroseptal infarction 1 Nonspecific ST/T changes 1 Comment:The pacemaker rate i
Pseudofusion Beats
Report:Atrial pacemaker rhythm 64/min 2 SVEB 3 Pseudofusion beats 4 Nonspecific ST/T changes 1 Comment:The QRS complexes are normal except for the ventricular pacing spikes at their onset. They are not fusion beats – the SVEB is preceded by an atrial
Pacemaker or LBBB?
Report:Sinus rhythm 65/min 2 Atrial-sensing ventricular pacemaker 8 Comment:This seems unimpeachable, except for lead V1 having the morphology of LBBB (steep descent, slow ascent) instead of expected right ventricular paced or ectopic beat (slow descent
Pacemaker & Native Escape-Capture Bigeminy
Report:Sinus bradycardia 37/min Junctional & pacemaker escape beats Escape-capture bigeminy Pseudofusion beats Fusion beat Ventricular conduction defect, unspecified Comment:The escape-capture phenomenon depends in this case on sinus bradycardia. T
Skipped P Waves in Wenckebach Conduction
Report: Sinus tachycardia 120-128/min First degree AV block Second degree AV block, Möbitz 1 Periods of 3:2 conduction, with bigeminy Right bundle branch block Pacemaker rhythm 72/min Fusion and pseudofusion beats Comment: The key to correct inter
Congenital Complete Heart Block: Ventriculophasic Sinus Arrhythmia
Report:Sinus rhythm 67 â 70/min Third degree AV block Junctional escape rhythm 42/min Ventriculophasic sinus arrhythmia Right atrial abnormality (RAA) Comment:The ventricular rate is regular and slow, the faster P waves completely dissociated: comp