<prompt> Reactionary hemorrhage occurs:After 24 hoursAfter 48 hoursWithin 24 hoursAfter 7 days  <response>: Ans. c Within 24 hoursRef Bailey 26e p19-20Types of hemorrhage after surgery:PrimaryReactionarySecondaryImmediately after surgeryWithin 24 hours7-14 dasImmediate injuryto vesselDislodgement of clot by resuscitation,Slippage of knotSloughing of blood vessel due to infection, pressure necrosis 