Question

A 65-year-old man on warfarin for atrial fibrillation has a target INR of 2.0-3.0. His latest INR check is 4.5, with no evidence of bleeding. According to NICE CKS guidance, what is the most appropriate management?

Accepted Answer

Omit the next dose of warfarin and recheck INR in 2-3 days

Answer

Administer oral Vitamin K (phytomenadione) 1-2mg

Answer

Stop warfarin for 3 days and restart at a lower dose

Answer

Admit for intravenous Vitamin K

Answer

Continue current dose and recheck INR next day

Practice question

A 65-year-old man on warfarin for atrial fibrillation has a target INR of 2.0-3.0. His latest INR check is 4.5, with no evidence of bleeding. According to NICE CKS guidance, what is the most appropriate management?