Acute left ventricular remodeling after myocardial infarction on transthoracic echocardiography: a case series
Deepak Koul1, Renee Bess, Arshad Rehan
1Division of Cardiology, St John Hospital and Medical Center, Detroit, MI 48236, USA. deepak.koul@stjohn.org
Insights
Transthoracic echocardiography reveals early left ventricular myocardial changes after acute infarction. Contrast imaging aids in recognizing postinfarction remodeling, showing endocardial separation and myocardial contrast penetration.
Area of Science:
- Cardiology
- Medical Imaging
- Echocardiography
Background:
- Acute myocardial infarction (AMI) necessitates prompt assessment of cardiac structure and function.
- Transthoracic echocardiography (TTE) is a primary imaging modality for evaluating left ventricular (LV) status post-AMI.
- Early detection of myocardial changes is crucial for guiding treatment and predicting outcomes.
Observation:
- Specific LV myocardial alterations were observed within 72 hours of acute infarction using TTE.
- Key findings included endocardial separation from the mid-myocardium.
- Echocardiographic contrast agents demonstrated penetration into the myocardium and regional contrast swirling patterns.
Findings:
- The study documents distinct myocardial changes detectable by TTE in the early phase following acute infarction.
- Contrast-enhanced TTE revealed endocardial separation and myocardial contrast uptake.
- Observed swirling patterns suggest altered myocardial perfusion or tissue integrity.
Implications:
- Contrast echocardiography offers enhanced visualization of early postinfarction myocardial remodeling.
- These findings may improve the recognition and characterization of acute myocardial injury.
- Improved detection of early changes can potentially refine prognostic assessments and therapeutic strategies in AMI patients.
Abstract:
The authors describe left ventricular myocardial changes on transthoracic echocardiography in patients imaged within 72 hours of acute infarction. Endocardial separation from the mid myocardium, echocardiographic contrast penetration into the myocardium, and regional contrast swirling were observed. This case series also illustrates how contrast imaging may enhance recognition of early postinfarction remodeling.
