ST elevation myocardial infarction echocardiography

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Overview

Echocardiography can be quite useful in identifying complications of ST elevation MI. If the diagnosis of ST elevation MI is clear, reperfusion should not be delayed pending the performance of an echocardiogram.

Role of Echocardiography in Diagnosing MI

• Echocardiography is not a routine test for the diagnosis of myocardial infarction (MI) since the diagnosis relies mainly on the ECG findings and elevation in cardiac enzymes. However, it is appropriate to do an echocardiography when a patient presents with acute chest pain suspicious of MI and the ECG is not diagnostic. In addition, echocardiography can also be used for the diagnosis of MI when the results of the ECG and cardiac enzymes are suggestive of MI in the absence of chest pain.
• Regional wall motion abnormality (RWMA) is an echocardiographic sign suggestive of ischemia and in. However, despite its high sensitivity, RWMA is not highly specific for MI.

Role of Echocardiography in Detecting Post MI Complications

Echocardiography is an appropriate test for the complications of MI, including:

• Mitral regurgitation
• Ventricular septal defect
• Free wall rupture
• Cardiac tamponade
• Shock
• Right ventricular involvement
• Heart thrombus
• Pericardial effusion
• Left ventricular aneurysm
• Left ventricular pseudoaneurysm