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Search and discover over 2,500 ECG reports written by cardiologist and intensivist Dr George Nikolić OAM.
Dual Conduction and SVT
Report: Sinus rhythm Dual PR interval: 0.14â and 0.30â Comment: The two PR intervals alternated over periods of minutes, finally attracting the attention of the ICU night staff. Unfortunately, no spontaneous change was recorded. In the morning, I g
Advanced 2o AV Block
Report: Sinus rhythm Progressive first degree AV block (top) VEBs Advanced second degree AV block Comment: The 14 second pause follows the VEB, but the ground had been set even before the first VEB: a single blocked P wave is seen at the end of the to
2:1 AV Block in Bad Company
Report:Sinus rhythm 74/min 2:1 second degree AV block Right axis deviation (RAD) +120o Left posterior hemiblock Right bundle branch block Ventriculophasic sinus arrhythmia Comment:The patient had no history of heart disease and had been on cimetidin
Neostigmine Toxicity
Report:Sinus rhythm 3:2 sino-atrial exit block Nonspecific T wave changes Comment:The patient was paralysed by vecuronium for a CAT scan after a traffic accident; she was brought back to Casualty and the relaxant was reversed with 5 mg neostigmine and
Verapamil Overdose
Report: Sinus bradycardia 37/min 2:1 second degree AV block 1o AV block in conducted beats Left bundle branch block Primary T wave changes Comment: The lack of sinus tachycardia is very unhealthy in this situation; much of it could be ascribed to ver
2:1 & Advanced 2o AV Block
Report: Sinus tachycardia 125/min Left atrial abnormality (LAA) Second degree AV block, 2:1 & advanced First degree AV block (PR 0.28â) in conducted beats VEB (ventricular escape beat) Left anterior hemiblock Right bundle branch block, atypical L
Bigeminy in Sino-Atrial Exit Block
Report: Sinus rhythm approximately 90/min Left atrial abnormality (LAA) 3:2 Sino-atrial exit block, Möbitz 1 (Wenckebach) Bigeminy Left axis deviation â35o Comment: Bigeminy like this one has to be differentiated from atrial ectopic bigeminy: half
Jarisch-Bezold Reflex
Report: Atrial fibrillation with slow response Junctional escape beat(s) Comment: There is no observable atrial activity, but the patient had atrial fibrillation since admission. The strips could pass, electrocardiographically, for sinus arrest or atria
Advanced 2o AV Block
Report: Top: Sinus rhythm 94/min Bottom: Sinus rhythm 94 â 102/min Advanced second degree AV block Comment: The block is called advanced (high-grade) if less than 50% of P waves are conducted. It would be easier to understand a vagally mediated AV
Pacemaker: Escape-Capture Bigeminy
Report:Sinus tachycardia 100/min First degree AV block (PR 0.28") Second degree AV block. Right bundle branch block Pacemaker (escape) beats Escape-capture bigeminy Comment:Before Bradley and Marriott's classical description6, this rhythm was called