Vitamin K

Question 1

What is the use of Vitamin K (Phytonadione)

Answer 1

Blood clotting, bone metabolism, and calcium levels

Question 2

Sources of Vitamin K (Phytonadione)

Answer 2

Green leafy vegetables, margarine, liver

Question 3

Who is most at risk for Vitamin K (Phytonadione) deficiency

Answer 3

Chronic small bowel intestinal disorders, broad spectrum ABX use, medication induces

Question 4

s/s of Vitamin K (Phytonadione) deficiency

Answer 4

Hemorrhaging

Question 5

Treatment plan for Vitamin K (Phytonadione)

Answer 5

Vitamin K 1-10mg po/IV x1
Sutra therapeutic INR with no bleeding:
INR 4.5-10 Vit K 2.5mg po x1
INR >10 2.5-5mg Vit K po x1

Supratherapeutic INR w/ bleeding
Minor bleeding: 2.5-5 po x1
Major bleeding 10mg IV x1

Chronic malabsorption: 1-2 mg po QD