Cardiomegaly electrocardiogram

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Cardiomegaly Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor in Chief: Cafer Zorkun, M.D., Ph.D. [2]

Overview

An EKG is a standard method of evaluating a patient with cardiomegaly. It can help to determine the cause, severity, and the specific chamber which is affected. A q wave would indicate an area of muscle death accounting for the enlargement, and ST elevation may suggest a myocardial infarction, myocarditis or pericarditis.

Electrocardiogram


  • Shown below is an image of an EKG depicting right atrial enlargement.



  • Shown below is an image of an EKG depicting biatrial enlargement.



References

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