This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
a pateint with ACUTE KIDNEY INJURY having a creatinine of >4 , is being treated in icu for dialysis since 15days ,developed DVT due immobilisation , now what is the best anticoagulant to be given 
Select and explain. 
A. desirudin, B. argatroban, C. lepirudin, D. asprin
B: argatroban
Answer: B: argatroban 
Explanation: lepirudin ,desirudin,argatraban are direct thrombin inhibitors which are used for prophylaxis of DVT . all are excreated by kidney except argatroban which is excreated by liver . so from the options given its the best drug to be given ref : kd tripathi 8th ed