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Search and discover over 2,500 ECG reports written by cardiologist and intensivist Dr George Nikolić OAM.
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
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
3:2 Möbitz 2 AV Block
Report: Sinus tachycardia 106/min Left atrial abnormality (LAA) Möbitz 2 second degree AV block, 3:2 conduction, with bigeminy Indeterminate axis â140o Right bundle branch block Anteroseptal infarction, probably old Comment: In all instances of t
Congenital Heart Block
Report: Respiratory and ventriculophasic sinus arrhythmia Right atrial abnormality (RAA) Left atrial abnormality (LAA) Second degree AV block, unspecified Junctional rhythm 65/min AV dissociation with interference Comment: Congenital heart blocks ar
Long Wenckebach Pauses
Report: Sinus rhythm 56 â 66/min Second degree AV block, Möbitz 1 3:2 conduction with bigeminy Left ventricular hypertrophy voltage Comment: Wenckebach pauses are normally less than two sinus cycles in length. When, as here, they coincide with the
Sudden Ventricular Standstill
Report: Sinus tachycardia 100/min Borderline first degree AV block Left bundle branch block Third degree AV block Ventricular escape beats (bottom) Comment: This is a typical example of AV block in acute anterior infarction: RBBB or LBBB (as here) fo
Congenital Heart Block with Long QT Interval
Report: Sinus rhythm 100 - 110/min Third degree AV block Junctional escape rhythm 48/min VEB SVEB Prolonged QT interval 0.60â QTc 0.53â Comment: This case has been reported73. While it is not possible to exclude post-syncopal QT prolongation i
Alternate-Beat Wenckebach Caused by VEBs
Report:Sinus rhythm 92/min VEBs, couplets and triplets R-on-T phenomenon Wenckebach second degree AV block for alternate P waves Acute or recent inferior infarction Comment:The first two consecutively conducted P waves show slight but definite PR int