Cardiovascular
Warfarin
Coumadin
Generic nameWarfarin
Brand nameCoumadin
Medication classVitamin K antagonist
Typical adult exampleDose adjusted to INR
FrequencyOnce daily
Common uses
Recognition cues
- Atrial fibrillation
- Venous thromboembolism
- Mechanical valve
EMS relevance
Assessment context
- Anticoagulant with major bleeding and interaction risk; ask last INR.