A 20 yr old male was found dead in his home. Family claimed it as dead due to sudden MI What is the best test to distinguish antemortem from post-mortem clot?: (A) Lines of Zahn, (B) Chicken fat, (C) Red cells, (D) White cells
Answer is A. Ans. (a) Lines of ZahnLine of Zahn are due to alternate pale layers of platelets with fibrin & darker layers (marked with arrow)with more RBCs.These lines distinguish antemortem clots from the bland non-laminated clots postmortem Q clots