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Meta Analysis of New EKG Sign for Right
Ventricular Acute Myocardial Infarction

Koracevic, Goran

Department of Cardiovascular Diseases, Nis, Yugoslavia

Background: Significance of acute myocardial infarction (AMI) of right ventricle (RV) is great, due to its numerous complications and direct life threat for patient, as well as specific therapeutic approach.

Objective: The aim of the work was to investigate new EKG sign for RV AMI we had suggested (ST depression in lead I with inferior AMI) in published EKG illustrations of proved RV AMI.

Material and methods: We made meta-analysis of 22 published illustrations of RV AMI with inferior AMI.

Results: In all examples new EKG sign of RV AMI was present. It was also true for illustration from the original Erhardt's paper, in which ST elevation in right chest leads (EKG marker of RV AMI in use today) was described for the very first time. In lead I we found average ST depression of 2 mm (from 0.2 - 3.5 mm), horizontal more often then downsloping. The degree of ST depression in lead I correlated very well (p=0.0030) with magnitude of ST elevation in V4R (and this is the recommended RV AMI sign).

Conclusion: ST depression in lead I was present in all published RV AMI EKG illustrations we found. It does not require additional right chest leads recording, it is simplest of all known ECG signs of RV AMI, it is easy to monitor in CCU, it is of comparable value with classic ECG sign (ST elevation in V4R) for inhospital mortality prediction.

 

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2nd Virtual Congress of Cardiology

Dr. Florencio Garófalo
Steering Committee
President
Dr. Raúl Bretal
Scientific Committee
President
Dr. Armando Pacher
Technical Committee - CETIFAC
President
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apacher@fac.org.ar
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