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A member asked:
How large in diameter are the coronary arteries that crown the heart?
4 doctors weighed in across 2 answers
4-5 mm: Usually 4-5 mm proximally and then they taper down from there.
Answered 9/28/2016
5.6k views
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</= 3 mm diameter: Generally less than or equal to 3 millimeters internal diameter.
Answered 3/15/2013
5.4k views
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