The most impoant factor that influences the outcome of penetrating cardiac injuries is
Correct Answer: Coronary aery injury
Description: Multiple studies in the literature confirm that injuries to the coronary aeries are the most impoant factor in determining outcome after a penetrating cardiac injury. Tangential injuries are the least serious. Injury to a single chamber--even if comminuted--or to multiple chambers is less likely to be fatal than are injuries that involve a major coronary aery. ref - Harrisons 20th ed
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