What happens if the left circumflex artery is blocked?

What happens if the left circumflex artery is blocked?

Background. Occlusion of the circumflex artery (Cx) often does not present signs in the ECG. It can lead to delayed angiography during ST-elevation myocardial infarction (STEMI).

Is a blocked circumflex artery serious?

In less than half of people, it may also supply blood to the sinoatrial nodal artery. With anomalous coronary arteries, the circumflex artery or others may be deformed at birth. Such a defect can present a great danger to the child (especially if taking part in aerobic sports) as it can increase risk for heart failure.

What does the left obtuse marginal artery supply?

The LMCA supplies blood to the left side of the heart. The LAD provides blood to the anterior ventricular septum and the greater portion of the anterior portion of the left ventricle.

Where is the obtuse marginal artery?

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.

What does left circumflex artery supply?

The left coronary arteries supply: Circumflex artery – supplies blood to the left atrium, side and back of the left ventricle. Left Anterior Descending artery (LAD) – supplies the front and bottom of the left ventricle and the front of the septum.

What is left circumflex disease?

lated left circumflex disease was defined as 70% or greater. reduction in luminal diameter of the left circumflex coronary. artery or its major branches, with no stenosis greater than 50% in the left anterior descending or right coronary arteries and no. stenosis greater than 30% in the left main coronary artery.

What is the obtuse marginal branch?

Anatomical terminology The left marginal artery (or obtuse marginal artery) is a branch of the circumflex artery, originating at the left atrioventricular sulcus, traveling along the left margin of heart towards the apex of the heart.

What is the obtuse margin of the heart?

Anatomical terminology The left border of heart (or left margin, or obtuse margin) is shorter than the right border, full, and rounded: it is formed mainly by the left ventricle, but to a slight extent, above, by the left atrium. It extends from a point in the second left intercostal space, about 2.5 mm.

What is an obtuse marginal artery?