RACP- Haematology Flashcards
Venous thromboembolism (VTE) is often recurrent. Which of the following is the strongest risk factor for recurrent VTE?
a) Female sex
b) Heterozygosity for Factor V Leiden mutation
c) First presentation of VTE with Pulmonary Embolism
d) Unprovoked VTE
e) Residual thrombus on ultrasound
D- Unprovoked VTE
A 74-year-old man is on medication for prevention of stroke due to a past medical history of atrial fibrillation. He presents to hospital with malaena. He is unable to recall the name of the medication.
Blood tests demonstrate the following
What is the most likely medication he is taking?
a) Apixaban
b) Dabigatran
c) Rivaroxaban
d) Warfarin
e) Tirofiban
Dabigatran
Note:
*Apixaban and Rivaroxoban prolong PT and APTT
*Warfarin prolongs PT +/- APTT
*Tirofiban is an anti-platelet and does not affect these factors
