Right Ventricular Myocardial Infarction: Pathophysiology, Diagnosis, and Therapeutic Approaches

Area of Science:

• Cardiology
• Cardiovascular Medicine
• Internal Medicine

Background:

• Right ventricular myocardial infarction (RVMI) is a distinct acute myocardial infarction subtype.
• It is frequently associated with inferior myocardial infarction and proximal right coronary artery obstruction.
• RVMI presents significant morbidity and mortality, posing diagnostic and therapeutic challenges.

Purpose of the Study:

• To summarize the key aspects of RVMI, including its pathophysiology, clinical presentation, diagnostic modalities, and therapeutic strategies.
• To highlight the unique challenges in managing RVMI compared to left ventricular infarction.
• To underscore the need for specialized and timely interventions.

Main Methods:

• Review of clinical manifestations, diagnostic tools (ECG, echocardiography, MRI, angiography), and treatment strategies for RVMI.
• Analysis of the pathophysiology involving right ventricular dysfunction and hemodynamic instability.
• Discussion of advanced therapies including mechanical circulatory support.

Main Results:

• RVMI commonly manifests as right-sided heart failure symptoms (hypotension, JVD, edema).
• Impaired RV function leads to decreased cardiac output and potential cardiogenic shock.
• Effective diagnosis relies on a combination of imaging and ECG.
• Treatment focuses on revascularization, preload optimization, and hemodynamic stabilization.

Conclusions:

• RVMI is a complex condition requiring specialized management for improved patient outcomes.
• Timely diagnosis and intervention, including revascularization and hemodynamic support, are critical.
• Further research is necessary to enhance diagnostic accuracy and therapeutic efficacy, aiming to reduce mortality rates.