Anticoagulant Therapy Flashcards
1
Q
PT
[A prothrombin time (PT) is a test used to help detect and diagnose a bleeding disorder or excessive clotting disorder]
A
10-13 seconds
2
Q
PTT
[The partial thromboplastin time (PTT; also known as activated partial thromboplastin time (aPTT)) is a screening test that helps evaluate a person’s ability to appropriately form blood clots.]
A
25-35 seconds
3
Q
aPTT
A
Not on heparin: 30-40 seconds
On heparin: 47-70 seconds
4
Q
INR
(The international normalized ratio (INR) blood test tells you how long it takes for your blood to clot.)
A
Not on warfarin: <1.0
On warfarin: 2.0-3.0
