the current gold standard test to determine platelet function
PLATELET AGGREGATION TEST
reflects the number and quality of platelets, fibrinogen concentration, fibrinolytic activity, and packed red cell volume
CLOT RETRACTION TIME
Increase Hematocrit = _______clot retraction time
DECREASED
This test is also known as “RUMPEL-LEEDE or HISS” method
CAPILLARY FRAGILITIY TEST (TOURNIQUET TEST)
GLASS BEAD RETENTION TEST specimen
3 heparinized blood
In vivo measure of primary hemostasis
bleeding time
This test was considered as the original and old gold standard method for platelet function
bleeding time
✔ In vivo measurement of secondary hemostasis
WHOLE BLOOD CLOTTING TIME
n Dale and Laidlaw’s, fibrin string/strand is noted by breaking the
capillary tube
It is used to monitor Warfarin or Coumarin therapy
PT
PT is a sensitive early marker for which disease?
mild liver disease
PT reference value
12.6 to 14.6 secondsp
PT therapeutic value
2-3 INR
What is ISI highest sensitivity value?
1
It is used to monitor UHF (Unfractionated Heparin therapy)
APTT/PTT
