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The diagonal branches of the left anterior descending artery are coronary arteries that supply blood to the heart muscle.
Obtuse marginal artery | Radiology Reference Article
2022年11月2日 · The obtuse marginal (OM) arteries, sometimes referred to as lateral branches, are branch coronary arteries that come off the circumflex artery. There can be one or more obtuse marginal arteries. It typically traverses along the left margin of heart towards the apex.
Right coronary artery | Radiology Reference Article
2024年9月6日 · The three segments of the right coronary artery are: proximal segment: from the right coronary artery origin to halfway along the acute margin of the heart. mid segment: from halfway along the acute margin to the acute angle of the heart, where it courses along the posterior AV groove. distal segment: from the acute angle to the apex. Branches
Ramus intermedius artery | Radiology Reference Article
2023年7月29日 · The ramus intermedius is a variant coronary artery resulting from trifurcation of the left main coronary artery 1. It is present in ~20% (range 15-30%) 2,3 of the population. It can have a course similar to the obtuse marginal branches of the left circumflex artery or the diagonal branches of the left anterior descending artery and thus can ...
Sinoatrial nodal artery | Radiology Reference Article
2022年2月12日 · The sinoatrial (SA) nodal artery is the small artery that supplies the sinoatrial (SA) node of the heart (the pacemaker). Gross anatomy Origin. Right coronary artery in 60% of cases and the left coronary artery in 40% of cases. Course. The artery turns posteriorly below the superior vena caval opening. Variant anatomy
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The left anterior descending (LAD) artery is one of the two branches of the left coronary artery, also known as the anterior interventricular branch.
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The posterior left ventricular artery is a terminal branch of the coronary arterial system supplying the inferior portion of the heart.
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The segmental anatomy of the coronary arteries is crucial for understanding their function and role in cardiac health.
Right marginal artery | Radiology Reference Article
2020年12月15日 · The right marginal artery, also known as the acute marginal artery or right intermediate atrial branch, supplies the surrounding right atrial tissues 1,2 and, in 10-15% of cases, provides the main arterial supply to the sinus node 3,4.
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