A challenging ECG: a case of a lengthening PR interval

A 62-year-old man presented to the emergency department with shortness of breath and chest tightness. His initial ECG appeared to have an ectopic P-wave with a lengthening PR interval consistent with second degree AV block - Mobitz Type I. But closer inspection showed a faster, independent atrial ra...

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Bibliographic Details
Published in:Postgraduate medicine 2019-11, Vol.131 (8), p.572-573
Main Authors: Sanders, David, Ungar, Leo, Seto, Arnold H
Format: Article
Language:English
Subjects:
Atrioventricular Block - complications
Atrioventricular Block - diagnosis
Diagnosis, Differential
Electrocardiography
Humans
Male
Middle Aged
Pacemaker, Artificial
Tachycardia, Ectopic Atrial - complications
Tachycardia, Ectopic Atrial - diagnosis
Tachycardia, Ectopic Atrial - surgery
Citations: Items that this one cites
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Summary:A 62-year-old man presented to the emergency department with shortness of breath and chest tightness. His initial ECG appeared to have an ectopic P-wave with a lengthening PR interval consistent with second degree AV block - Mobitz Type I. But closer inspection showed a faster, independent atrial rate. The patient was diagnosed with ectopic atrial bradycardia with complete AV block and junctional escape, and was ultimately referred for pacemaker.
ISSN:0032-5481
1941-9260
DOI:10.1080/00325481.2019.1669917