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What is Cardiac dominance is determined by coronary aery and explain in detail?
Cardiac dominance is determined by posterior inter ventricular aery which supplies postero inferior pa of interventricular septum. Mostly this a branch of RCA so right cardiac dominance(65% of population) If posterior inter ventricular aery arise from left coronary aery, then it is left cardiac dominance in 10% of population(bad prognosis) Multiple PIVA one from right side one from left side that is co -dominance in 25% of population.