Coagulation Flashcards
1
Q
Platelets (Plt)
A
150-400 x 1000/ul
2
Q
PT (Prothrombin Time)
A
11-16 sec How long it takes blood to clot. Comadine influences the PT value. Increased PT = risk for clotting Decreased PT = risk for bleeding
3
Q
PTT (Partial Thromboplastin Time
A
60-70 sec
Heparin influences the PTT value.
4
Q
aPTT
A
25-35 sec
5
Q
D-Dimmer
A
<250 ng/ml
Used to identify intravascular clotting.
If the value is too high it is an indication of DVT
6
Q
INR
A
1.0
7
Q
Vitamin K
A
0.1 – 2.2 ng/ml
