Anatomy of the Coronary Arteries: Origin, Course, and Branches
Major Branches of the Left Coronary Artery (e.g., Left Anterior Descending, Circumflex, Left Marginal)
The coronary arteries supply oxygenated blood to the heart muscle. This blog post explores the left coronary artery's major branches, including the left anterior descending, circumflex, and left marginal arteries.
Anatomy of the Coronary Arteries: Origin, Course, and Branches
Introduction
The coronary arteries play a vital role in supplying oxygenated blood to the heart muscle. Understanding their anatomy is crucial for medical professionals dealing with cardiovascular health.
Left Coronary Artery and Its Major Branches
Left Anterior Descending (LAD) Artery
The LAD artery supplies the anterior and septal portions of the heart, including parts of the left ventricle. It gives rise to diagonal and septal perforator branches.
Circumflex (LCx) Artery
The LCx artery runs in the atrioventricular groove, supplying the lateral and posterior portions of the left ventricle. It can give rise to obtuse marginal branches.
Left Marginal Artery
The left marginal artery branches from the LCx, supplying the lateral wall of the left ventricle.
Clinical Significance
Blockage in the coronary arteries can lead to conditions such as myocardial infarction, necessitating medical interventions like angioplasty or bypass surgery.
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