Cardiomegaly electrocardiogram: Difference between revisions
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{{CMG}}; '''Associate Editor in Chief:''' {{CZ}} | {{CMG}}; '''Associate Editor in Chief:''' {{CZ}} | ||
==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== | ==Electrocardiogram== | ||
*The presence of [[q wave]]s suggest a prior [[MI]] to account for the enlargement. | *The presence of [[q wave]]s suggest a prior [[MI]] to account for the enlargement. | ||
*[[ST segment elevation]] would suggest either ongoing or resolving [[ST | *[[ST segment elevation]] would suggest either ongoing or resolving [[ST elevation myocardial infarction]] or [[myocarditis]] or [[pericarditis]]. | ||
*The EKG may suggest signs of [[left atrial enlargement]], [[right atrial enlargement]] or [[right axis deviation]] which may point toward a specific diagnosis. | *The EKG may suggest signs of [[left atrial enlargement]], [[right atrial enlargement]] or [[right axis deviation]] which may point toward a specific diagnosis. | ||
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[[Category:Cardiology]] | [[Category:Cardiology]] | ||
[[Category:Disease]] | [[Category:Disease]] | ||
{{WH}} | {{WH}} | ||
{{WS}} | {{WS}} | ||
Latest revision as of 04:04, 9 August 2013
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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
- The presence of q waves suggest a prior MI to account for the enlargement.
- ST segment elevation would suggest either ongoing or resolving ST elevation myocardial infarction or myocarditis or pericarditis.
- The EKG may suggest signs of left atrial enlargement, right atrial enlargement or right axis deviation which may point toward a specific diagnosis.
- Shown below is an image of an EKG depicting right atrial enlargement.
- Shown below is an image of an EKG depicting biatrial enlargement.
