In priapism, cavernous blood study will reveal:: (A) pO2 < 30%, pCO2>60%, (B) pCO2>60%, (C) pCO2<60%, (D) pO2<60%
Answer is A. Blood Gas Values in Priapism Source pO2 (mmHg) pCO2 (mmHg) pH Normal aerial blood (room air) >90 <40 7.40 Normal mixed venous blood (room air) 40 50 7.35 Ischemic Priapism (First corporal aspirate) <30 >60 <7.25 Ref: Campbell 11th edition Pgno: 678