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There is no end, apparently, to the factors that produce occlusive changes in the coronary arteries. Hypertension, tobacco, genetic predisposition, plasma cholesterol and lipid levels, personality, and physical activity are some of them. For most of us we must now add another: myocardial bridges and loops. These are terms used by Premysl Poláček and Antonín Zechmeister to describe the variable thicknesses of myocardium that cover the larger, subendocardial coronary arteries over portions of their distribution.
The occurrence of such bridges and loops, the latter being slings of atrial musculature covering portions of the circumflex and right coronary arteries, is not
The Occurrence and Significance of Myocardial Bridges and Loops on Coronary Arteries.. Ann Intern Med. ;72:608–609. doi: 10.7326/0003-4819-72-4-608_3
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Published: Ann Intern Med. 1970;72(4):608-609.
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