If the circumflex aery gives off the posterior interventricular aery, then the aerial supply is called
Correct Answer: Left dominance
Description: If the circumflex aery gives off the posterior interventricular aery, then the aerial supply is called left dominance. In 65% of the population, the posterior interventricular aery (PIVA) is a branch of right coronary aery and this is called the right dominance. In 10% of the population, PIVA is given by the circumflex aery (a branch of the left coronary aery) and this is called the left dominance. Ref: Gray&;s Anatomy 41st edition Pgno: 1019
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Anatomy
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