A septic patient has a prolonged PT and aPTT, a decreased fibrinogen, an increased D- dimer, and schistocytes on the smear. Which condition is most likely?
1Hemophilia A with factor VIII deficiency
2Vitamin K deficiency from poor intake
3Disseminated intravascular coagulation✓ 정답
4Advanced liver disease alone
해설
Simultaneous coagulation and fibrinolysis define disseminated intravascular coagulation. Consumption lowers the clotting factors and fibrinogen, the lysis product D-dimer rises, and red cells are fragmented by microthrombi, producing schistocytes. All four findings point in one direction.