Coagulation Studies Flashcards
1
Q
Platelets (cells/mm2)
A
Normal 150,000- 450,000/uL
2
Q
Prothrombin Time (PT)
A
Normal 11-13 seconds
3
Q
International Normalized Ratio (INR)
A
0.8-1.1 – Not on anticoagulant therapy
2.0-3.0- prophylaxis or treatment of venous thrombosis
3.0-4.0 – prosthetic cardiac valve replacement
4
Q
Activated partial thromboplastin time (APTT)
A
Normal 30-40 seconds
5
Q
Fibrinogen
A
Normal 200-400
