Related Experiment Video
Updated: May 5, 2026

Coronary Artery Ligation and Intramyocardial Injection in a Murine Model of Infarction
Published on: June 7, 2011
Coronary artery intramural hematoma causing myocardial infarction mimicking pseudoaneurysm or dissection from trauma:
Abdulilah Z Albriek1, Saad Alamri2, Faisal Hamad1
1Department of Medical Imaging, Cardiothoracic Imaging Section King Saud Medical City Riyadh Saudi Arabia.
Insights
Blunt chest trauma can cause ST-segment elevation myocardial infarction due to intramural hematoma (IMH). This rare condition resolved with conservative treatment, highlighting the importance of accurate diagnosis.
Area of Science:
- Cardiology
- Radiology
- Trauma Surgery
Background:
- ST-segment elevation myocardial infarction (STEMI) is a critical cardiac event.
- Blunt chest trauma is a known, though less common, cause of myocardial infarction.
- Intramural hematoma (IMH) is a rare arterial injury that can mimic other cardiac conditions.
Observation:
- A patient presented with STEMI following blunt chest trauma.
- Computed tomography (CT) imaging revealed an intramural hematoma (IMH).
- Diagnosis was corroborated by electrocardiography (ECG), cardiac biomarkers, and coronary angiography.
Findings:
- The intramural hematoma (IMH) was successfully diagnosed using CT.
- The patient's STEMI was attributed to the IMH.
- Conservative management led to complete resolution of the IMH within one year.
Implications:
- Accurate differentiation of IMH from other arterial injuries is crucial for patient management.
- CT imaging plays a vital role in diagnosing IMH after chest trauma.
- Conservative treatment can be effective for resolving IMH, avoiding more invasive procedures.
Abstract:
Blunt chest trauma caused ST-segment elevation myocardial infarction. Diagnosis of intramural hematoma (IMH) using computed tomography was confirmed using electrocardiography, cardiac marker tests, and subsequent coronary angiography. After conservative treatment, the hematoma was completely resolved 1 year later. Differentiating IMH from other arterial injuries is critical for appropriate management.
Related Concept Videos
Myocarditis I: Introduction
Acute Coronary Syndrome I: Introduction
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations
Aneurysm I: Introduction
Hemorrhagic Stroke l: Introduction

