Anticoagulant Therapy Coagulation Times

Question 1

Platelets

Answer 1

150,000 - 400,000/mm3

Question 2

PT (for warfarin)

Answer 2

11 - 12.5 seconds (therapeutic: 1.5 - 2X normal value)

Question 3

aPTT (for heparin)

Answer 3

30 - 40 seconds (therapeutic: 1.5 - 2X normal value)

Question 4

INR (for warfarin)

Answer 4

0.7 - 1.8 (therapeutic: 2.5 - 3.5, > 3.5 hold the dose)

Question 5

Therapeutic INR

Answer 5

2.0 - 3.0