left anterior descending coronary artery


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left anterior descending coronary artery

Abbreviation: LAD coronary artery
One of two major branches of the left coronary artery. It runs down the anterior interventricular groove, and it supplies blood to the anterior walls of the right and left ventricles and to the interventricular septum.
Synonym: anterior interventricular artery; left anterior descending artery; left descending artery; left descending coronary artery See: heart for illus.
See also: artery

Left anterior descending coronary artery (LAD)

One of the heart's coronary artery branches from the left main coronary artery which supplies blood to the left ventricle.
References in periodicals archive ?
Intermittent left bundle branch block: an overlooked cause of electrocardiographic changes that mimic high-grade stenosis of the left anterior descending coronary artery. J Am Osteopath Assoc.
A the floppy coronary wire was advanced through the LMCA to the left anterior descending coronary artery and a 3.0x15 mm coronary balloon was crossed to the LAD over the guidewire
CAF: coronary artery fistula; CTA: computed tomography angiography; LAD: left anterior descending coronary artery; LCX: left circumflex coronary artery; LMT: left main coronary trunk artery; RCA: right coronary artery.
These distal landmarks used for analysis were as follows: the distal bifurcation of the left anterior descending coronary artery (LAD) (the mustache, pitchfork, or whale's tail); the distal bifurcation of the segment with the longest total distance in the left circumflex artery (LCx); and the first branch of the posterolateral artery in the right coronary artery (RCA).
There were critically discrete stenoses at the proximal segment of left anterior descending coronary artery, at the midportion of the right coronary artery and at the proximal segment of the circumflex artery.
Coronary angiogram showed absence of significant narrowing; however, there was SCF on the left anterior descending coronary artery with TIMI frame count of 45 (Fig 1).
Yamaji et al (2) showed that ST elevation in aVR greater than or equal to that in V1 distinguished LMCA group from left anterior descending coronary artery disease group with 81% sensitivity, 80% specificity and 81% accuracy.
Left internal mammary artery to the left anterior descending coronary artery bypass was used in all of the patients.
1 C) to define the complete anatomy and the course of the left anterior descending coronary artery (LAD).
In addition, left anterior descending coronary artery coursed on the anterior wall of the right ventricular outflow tract (Fig.

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