Transmural ischemia visualized using routine Chest CTA

F Y van Driest1, O Hertgers2, A J H A Scholte1

  • 1Department of Cardiology, Leiden Heart-Lung Center, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands.

Insights

Routine chest CT angiography can reveal myocardial infarction (MI) by showing hypoperfusion areas. This case highlights its potential for diagnosing acute MI during evaluations for other conditions.

Area of Science:

  • Cardiology
  • Radiology
  • Medical Imaging

Background:

  • Chest computed tomography (CT) is not standard for diagnosing myocardial infarction (MI).
  • Previous reports suggest MI diagnosis during chest CT for other reasons, identified via myocardial hypoperfusion.
  • Acute chest pain is a common symptom requiring urgent diagnostic evaluation.

Observation:

  • A 60-year-old male presented with acute chest pain radiating between the scapulae.
  • Thoracic computed tomography angiography was performed to exclude aortic dissection.
  • The CT angiography incidentally revealed left anterior descending coronary artery occlusion with relative myocardial hypoperfusion.

Findings:

  • The case demonstrates the visualization of transmural ischemia in acute myocardial infarction using routine thoracic CT angiography.
  • Myocardial hypoperfusion was evident on CT angiography in the affected region.
  • Coronary artery occlusion was identified as the cause of ischemia.

Implications:

  • Clinicians should consider evaluating for myocardial perfusion abnormalities during chest CT assessments.
  • Thoracic CT angiography may serve as a valuable tool for diagnosing acute myocardial infarction in specific clinical scenarios.
  • Increased awareness can lead to earlier MI detection and intervention.

Related Concept Videos

Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
81
Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
142
Computed Tomography01:10

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
6.4K
Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
146
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
35
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
38