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why bleeding time is less than clotting time

+2 votes
asked Oct 4, 2012 in Medical Academics Questions by anonymous
retagged Oct 5, 2012 by Sulav Shrestha 1

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Hemostasis occurs in a sequence:
1. Vasoconstriction
2. Formation of platelet plug
3. Formaion of clot

Bleeding time is the time from the onset of bleeding till the stoppage of bleeding i.e. temporary hemoststic plug formation (platelet plug). Clotting time is the time from the onset of bleeding till the clot formation (i.e. definitive hemostatic plug).

Hence, clotting time is longer then bleeding time.

answered Oct 5, 2012 by Sulav Shrestha 1 Emperor (8,825 points)
selected Mar 15 by Jemesh Singh MaharJa
thank you doctor
0 votes

Bleeding time is a measure of platelet function whereas coagulation time/clotting time is a measure of the clotting factors. They're different components of the blood which we need for effective hemostatis.

answered Feb 28 by Geetika Baron (100 points)

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