Although the ramus intermedius can supply a large volume of myocardium, it is usually much less than that supplied by the left anterior descending, left circumflex, or right coronary arteries, and instead is similar to that supplied by a proximal diagonal or obtuse marginal branch.
What is the Ramus coronary artery?
The ramus intermedius (RI) is a variant coronary artery resulting from bifurcation of the left main coronary artery (LMCA) [1]. Generally, it is diagnosed on autopsy [2]. Recently, RI has increasingly been observed by computed tomography angiography (CTA) of the coronary artery [3,4,5].
What is a Ramus branch?
In anatomy as well as in medicine, the term ramus is often given to any branch or division that occurs in a blood vessel or nerve.
What is the function of the circumflex artery?
The circumflex artery branches off the left coronary artery and encircles the heart muscle. This artery supplies blood to the outer side and back of the heart.
Where is the Ramus vessel?
Ramus intermedius (RI) is a variant vessel arising from the left main bifurcation angle (LMBA). Haemodynamically, its presence increases coronary turbulence flow and reduces the endothelial shear stress.
40 related questions foundWhere is the anterior interventricular artery?
The anterior interventricular artery, often clinically termed the left anterior descending artery, is a branch of the left coronary artery. It originates at the left margin of the pulmonary trunk, anterior to the left atrial auricle.
What does the left anterior descending artery supply?
The left anterior descending artery branches off the left coronary artery and supplies blood to the front of the left side of the heart. The circumflex artery branches off the left coronary artery and encircles the heart muscle. This artery supplies blood to the lateral side and back of the heart.
What is the anterior interventricular artery?
The left anterior descending artery, preferably known as the anterior interventricular artery (AIV), is the continuing branch of the left coronary artery. It is located subepicardially within the anterior and inferior interventricular sulci of the heart.
What does the circumflex scapular artery supply?
This artery gives off several muscular, cutaneous and articular branches. They contribute to the blood supply of three muscles (deltoid, teres minor, triceps brachii), glenohumeral joint and two small cutaneous areas partially overlying the scapula.
What does posterior interventricular artery supply?
The posterior interventricular artery (in 90% of individuals), which supplies the posterior one-third of the interventricular septum, the inferior surface of the right ventricle and a portion of the inferior surface of the left ventricle.
What is ramus bone?
The term “ramus” refers to the branch or arm of a bone, such as in the pubic bone or the jaw bone. The jawbone has two; one ramus on each side that connects with the skull. In the field of implant dentistry, the ramus is of particular significance to bone grafting procedures.
What is the anterior ramus?
One of the primary branches of a spinal nerve that supplies the lateral and ventral portions of the body wall, limbs, and perineum. See also: ramus.
What is arterial revascularization?
Revascularization is a procedure that can restore blood flow in blocked arteries or veins. For someone with peripheral artery disease (PAD), the operation can help ease symptoms and prevent serious complications.
What are the branches of coronary artery?
The coronary arteries consist of two main arteries: the right and left coronary arteries, and their two branches, the circumflex artery and the left anterior descending artery.
What does the acute marginal artery supply?
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.
How common is the Ramus artery?
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.
What does the anterior circumflex humeral artery supply?
The anterior circumflex humeral artery provides part of the blood supply to the glenohumeral joint, teres major and minor, and deltoid muscles. The ascending branch provides supply to the head of the humerus 1.
What does superior thoracic artery supply?
The main function of this artery is to provide blood supply for the pectoralis major, pectoralis minor, subclavius and serratus anterior muscles. Additionally, it supplies the muscles and adjacent skin of the first two intercostal spaces.
What does the suprascapular artery supply?
The suprascapular artery supplies the supra- and infraspinatus muscles and travels with the suprascapular nerve. It is a direct branch from the subclavian artery (12%), the thyrocervical trunk (27%) or the internal thoracic artery (11%).
What vein travels with the anterior interventricular artery?
The great cardiac vein (GCV) runs in the anterior interventricular groove and drains the anterior aspect of the heart where it is the venous complement of the left anterior descending artery. It is the main tributary of the coronary sinus.
Which of the following accompanies the anterior interventricular artery?
The great cardiac vein emerges at the apex of the heart from the small venules that collect the venous blood of this cardiac region. It ascends along the anterior surface of the heart, passing through the anterior interventricular groove accompanied by the anterior interventricular artery.
What is the Widowmaker artery?
A widowmaker is an informal term for a heart attack that involves 100 percent blockage in the left anterior descending (LAD) artery, says Stanley Chetcuti, M.D., an interventional cardiologist at the University of Michigan Frankel Cardiovascular Center.
Which chamber occupies most of the anterior surface of the heart answer?
The base of the heart, the posterior part, is formed by both atria, but mainly the left. The anterior of the heart is formed mainly by the right atrium and ventricle, due to the twisting of the heart during development, which causes the left atrium and ventricle to lie posteriorly.
