<abstract xmlns="http://www.w3.org/1999/xhtml">

<sec><h3>BACKGROUND</h3>
<p>Myocardial infarction is the leading cause of the occlusion of the coronary artery. Meanwhile, right ventricular myocardial infarction (RVMI) is usually associated with inferior left ventricular infarction in 10–50% of cases. We presented isolated RV infarcts which are rare cases that happen in only 3% of total myocardial infarction.</p>
</sec>
<sec><h3>CASE PRESENTATION</h3>
<p>We presented a case of a 67-year-old man with sudden chest pain, shortness of breath, and a history of diabetes mellitus. From his 12 lead electrocardiogram, there is no specific ST elevation yet elevation in V3R and V4R and elevated troponin I highly sensitive value. The patient developed junctional bradycardia and early percutaneous coronary intervention backup temporary pacemaker showed total occlusion in the proximal right coronary artery (RCA)</p>
</sec>
<sec><h3>CONCLUSION</h3>
<p>The RVMI commonly occurs in the dominant RCA that also supplies the sinoatrial node and atrioventricular node. Therefore, due to its location that passed through the RCA, bradycardia to complete heart block may happen. Isolated right ventricular (RV) infarction may happen because either RV marginal as the predominant location is occluded, or non-dominant RCA occluded by thrombus. RV infarction may impair RV contractility causing a decrease in RV stroke volume and this condition leads to hypotension, shock, and severe hemodynamic derangement. Meanwhile, acute proximal RCA occlusions do not result in significant RV necrosis, one of the reasons is collateral flow from the left coronary system further protects from RV dysfunctions in our patient.</p>
</sec>
</abstract>

BACKGROUND
Myocardial infarction is the leading cause of the occlusion of the coronary artery. Meanwhile, right ventricular myocardial infarction (RVMI) is usually associated with inferior left ventricular infarction in 10–50% of cases. We presented isolated RV infarcts which are rare cases that happen in only 3% of total myocardial infarction.

CASE PRESENTATION
We presented a case of a 67-year-old man with sudden chest pain, shortness of breath, and a history of diabetes mellitus. From his 12 lead electrocardiogram, there is no specific ST elevation yet elevation in V3R and V4R and elevated troponin I highly sensitive value. The patient developed junctional bradycardia and early percutaneous coronary intervention backup temporary pacemaker showed total occlusion in the proximal right coronary artery (RCA)

CONCLUSION
The RVMI commonly occurs in the dominant RCA that also supplies the sinoatrial node and atrioventricular node. Therefore, due to its location that passed through the RCA, bradycardia to complete heart block may happen. Isolated right ventricular (RV) infarction may happen because either RV marginal as the predominant location is occluded, or non-dominant RCA occluded by thrombus. RV infarction may impair RV contractility causing a decrease in RV stroke volume and this condition leads to hypotension, shock, and severe hemodynamic derangement. Meanwhile, acute proximal RCA occlusions do not result in significant RV necrosis, one of the reasons is collateral flow from the left coronary system further protects from RV dysfunctions in our patient.

Isolated Right Ventricular Infarction without Right Ventricular Dysfunction: A Case Report

Department of Cardiology and Vascular Medicine

Department of Cardiology and Vascular, Faculty of Medicine

South East European Journal of Cardiology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

BACKGROUND
Myocardial infarction is the leading cause of the occlusion of the coronary artery. Meanwhile, right ventricular myocardial infarction (RVMI) is...

Isolated Right Ventricular Infarction without Right Ventricular Dysfunction: A Case Report

Published Online: Dec 25, 2023

Page range: 33 - 35

Received: May 31, 2023

Accepted: Jul 25, 2023

DOI: https://doi.org/10.3889/seejca.2023.6052

Keywords
Isolated RV infarction, Right coronary artery, Junctional Bradycardia, RV dysfunctions

© 2023 Tristi L. Wening et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Isolated Right Ventricular Infarction without Right Ventricular Dysfunction: A Case Report

Published Online: Dec 25, 2023

Page range: 33 - 35

Received: May 31, 2023

Accepted: Jul 25, 2023

DOI: https://doi.org/10.3889/seejca.2023.6052

KeywordsIsolated RV infarction, Right coronary artery, Junctional Bradycardia, RV dysfunctions

© 2023 Tristi L. Wening et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Isolated RV infarction, Right coronary artery, Junctional Bradycardia, RV dysfunctions