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Search and discover over 2,500 ECG reports written by cardiologist and intensivist Dr George Nikolić OAM.
PAT with Block: Pacemaker Lead
Report:Atrial tachycardia 138/min Second degree AV block, Möbitz 1; 2:1 & 3:2 block Right atrial electrode recording (bottom strips) Comment:The question is a "trick" one, designed to implicate the spurious change in the heart rate in the patient's pr
Blocked P Wave Long After a SVEB
Report:Sinus rhythm 79/min First degree AV block PR 0.24â SVEB (Atrial premature beat) Scond degree AV block, unspecified Nonspecific ST/T changes Post-ectopic ST/T changes, postponed Comment:Is it significant that the unexpectedly blocked P wave
Classical Wenckebach Trigeminy
Report:Sinus rhythm 98/min Second degree AV block, Möbitz 1, with 4:3 conduction Trigeminy Left atrial abnormality (LAA) Left bundle branch block Atypical repolarisation pattern suggests ischæmia Comment:The patient had low-therapeutic digoxin lev
Post-Ectopic SA Depression Mime of SA Wenckebach
Report:Sinus rhythm 87/min SVEBs, blocked First degree AV block Right bundle branch block Comment:Acceleration before pauses is the hallmark of SA Wenckebach exit block. This would be a good example if the pauses were not generated by premature block
Skipped and Blocked SVEBs
Report:Sinus tachycardia 100/min Blocked atrial premature beats interrupting Wenckebach sequences Over the top conduction (skipped Pâ waves) Post-ectopic sinoatrial depression VEB Left atrial abnormality (LAA) Small voltage in frontal leads Nonsp
Junctional Escapes in Wenckebach Pauses
Report:Sinus rhythm Second degree AV block, Möbitz 1 Junctional escape beats Non-phasic aberrant conduction Comment:The ectopic complexes can be either premature or late (escape) beats. Here the Wenckebach pauses are interrupted by junctional escapes
Digoxin-Induced Wenckebach
Report: Sinus arrhythmia Second degree AV block, Möbitz 1 Comment:The respiratory effect on the QRS size is seen throughout. It may be tempting to assume the first and largest QRS in each sequence is a junctional escape beat, with non-phasic aberranc
Vagal Vagaries
Report:Sinus rhythm Second degree AV block, Möbitz 1 Ventriculophasic effect in 2:1 conduction (top strip) Period of advanced (high-grade) second degree AV block Comment:Either Wenckebach (Möbitz 1) or Möbitz 2 AV block can progress from "low-grad
Concealed Extrasystoles & Pseudoblock
Report:Multifocal atrial rhythm VEBs, multiform Fusion beat Second degree AV block, probable pseudoblock Comment:This would have been a multifocal atrial tachycardia (MAT) if the rate was over 100/min. AV block is uncommon in MAT and should be even le
Dual Conduction
Report:Sinus rhythm First degree AV block (PR intervals 0.24" and 0.40") SVEB (atrial premature beat, with PâR = 0.48â (?? blocked SVEB, with junctional escape) VEB Dual AV conduction (pathway) Comment:Manifest dual conduction13 in the same rec