Dear Moaed ,

during the 72 h must be transport the blood  to the patients after working the cross match to the blood ,after this time  must be anew working the cross match to the sample of blood 

Dear Moaed ,

Self life  of blood out side the blood bank after issuing is 2 hrs. Within this time either it will transfuse or will be returned to blood bank if transfusion is postponed . 

thanks 

Dear Moaed ,

during the 72 h must be transport the blood  to the patients after working the cross match to the blood ,after this time  must be anew working the cross match to the sample of blood 

Well Maha ,

When you kept the blood in blood bank after working cross match you can kept it up to 24 hrs, if your system is open ( In open system of cross match  self life of blood is 24 hrs. ). If unit is in a close system and you are doing  cross match from the tubing or from the satellite  bag than you are correct ,it is 72 Hrs.  

thanks