Coagulation time:

Way:Put a drop of blood on a glass slide clean occupy Timer and the enactment complain too much we proceed to raise the blood in the point repeatedly until the first thread clots and remains a gap de clotting time.
OrPrepare Nbuptin testing and putting them in a water bath warm and occupy timer every half a minute examine one of them alternately so happens clot in one first and record the time and examine the other in the same way until it happens clotting also note the time of the other then take the average time, including a time of clotting.