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The human hart is in most cases vascularized by two coronary arteries, the right and the left one. Supernumerary or added coronary arteries are also present sometimes.
Almira Lujinović+2 more
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Coronary Artery Anomalies [PDF]
Coronary artery anomalies (CAAs) are a group of congenital conditions characterized by abnormal origin or course of any of the 3 main epicardial coronary arteries. Although CAAs have been identified as a common underlying condition in young athletes with sudden cardiac death, the widespread use of invasive and noninvasive coronary imaging has led to ...
Francesco Gentile+2 more
openaire +4 more sources
Aim of the study: The aim of this study was to perform a comparative analysis of severity of discordant aortic stenosis (AS) assessment using multiposition scanning and the standard apical window.
Elena Zelikovna Golukhova+7 more
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Coronary artery established through amniote evolution
Coronary arteries are a critical part of the vascular system and provide nourishment to the heart. In humans, even minor defects in coronary arteries can be lethal, emphasizing their importance for survival.
Kaoru Mizukami+11 more
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Coronary arterial spasm in single coronary artery. [PDF]
A 48-year-old man developed severe chest pain and became unconscious. Coronary cineangiography revealed single coronary artery of the type L2b by Sharbaugh and White. Ergonovine, 0.2 mg i.v., produced coronary arterial spasm in the right coronary artery.
Yasushi Koiwaya+7 more
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Upregulation of 5-hydroxytryptamine receptor signaling in coronary arteries after organ culture. [PDF]
5-Hydroxytryptamine (5-HT) is a powerful constrictor of coronary arteries and is considered to be involved in the pathophysiological mechanisms of coronary-artery spasm. However, the mechanism of enhancement of coronary-artery constriction to 5-HT during
Chun-Yu Deng+11 more
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Crossing coronary arteries [PDF]
A 73-year-old man was referred to the outpatient clinic because of an aortic stenosis and angina pectoris (NYHA class 2). An exercise stress test was abnormal suggesting ischaemia.
Zegers, E.S.+2 more
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Localization of coronary bypass targets in hard-to-see coronary arteries
Background Precise identification of coronary arteries and selection of anastomotic sites are critical stages of coronary bypass surgery. Visualization of coronary arteries is occasionally challenging when the heart is covered with a thick layer of fat ...
Rabin Gerrah+2 more
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Morte súbita e angina vasoespástica [PDF]
Variant angina is defined by chest pain occurring at rest associated with transitory ST segment elevation on ECG, and is caused by a spasm of a coronary artery.
Andrea G Maria+9 more
core +8 more sources
In the typical course of the coronary arteries, the right coronary artery comes from the right coronary sinus and descends in the right atrioventricular groove. The left coronary artery trunk begins from the left coronary sinus.
Paweł Gać+2 more
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