Anticoagulants; Warfarin

Question 1

Anticoagulants: Warfarin; Medication Name/ Ending

Answer 1

warfarin (coumadin)

Question 2

Anticoagulants: Warfarin; Therapeutic Class

Answer 2

anticoagulants

Question 3

Anticoagulants: Warfarin; Pharmacological Class

Answer 3

coumarin derivatives

Question 4

Anticoagulants: Warfarin; Pharmacological Action

Answer 4

antagonizes vitamin K
prevents the synthesis of 3 coagulation factors: factor VII, factor IX, prothrombin

Question 5

Anticoagulants: Warfarin; Therapeutic Uses

Answer 5

Pulmonary Embolism
DVT
Post MI
prosthetic heart valves
chronic Afib

Question 6

Anticoagulants: Warfarin; Adverse Reaction

Answer 6

Hemorrhage
-blood in stool
-excessive bleeding
hepatitis
toxicity
INR - blood clotting time

Question 7

Anticoagulants: Warfarin; Contraindications

Answer 7

Pregnancy/breastfeeding
low platelet counts
vit K deficiencies
recent surgeries
liver disorders

Question 8

Anticoagulants: Warfarin; Usual Dosages

Answer 8

oral
once daily, same time everyday
2-10 mg

Question 9

Anticoagulants: Warfarin; Administration

Answer 9

avoid IM injection when possible
regularly assess for bleeding
withhold drug and call prescriber in event of fever or rash
monitor INR

Question 10

Anticoagulants: Warfarin; Patient Teaching

Answer 10

consuming foods high in vit K can decrease anticoagulant effects
use electric razor and soft toothbrush
advise pt to consult prescriber before initiating any herbal therapy

Question 11

Anticoagulants: Warfarin; What is the antidote to warfarin

Answer 11

Vitamin K