Anticoagulation

Question 1

Warfarin tablet colors

Answer 1

Pink (1 mg)
Lavender (2 mg)
Green (2.5 mg)
Brown/Tan (3 mg)
Blue (4 mg)
Peach (5 mg)
Teal (6 mg)
Yellow (7.5 mg)
White (10 mg)

Question 2

Foods high in vitamin K

Answer 2

Spinach (cooked)
Broccoli
Brussel sprouts
Collard greens
Kale
Turnip greens
Green onion
Swiss chard
Endive
Parsley
Others: asparagus, cabbage, canola oil, cauliflower, coleslaw, lettuce, watercress, some teas

Question 3

Modifiable risk factors for VTE

Answer 3

Acute medical illness
Immobility
Medications (SERMs, drugs containing estrogen, ESAs)
Obesity (BMI>/=30 kg/m2)
Pregnancy and postpartum period
Recent surgery or major trauma

Question 4

Non-modifiable risk factors for VTE

Answer 4

Increasing age
Cancer or chemotherapy
Previous VTE
Inherited or acquired thrombophilia (Antithrombin deficiency, factor V Leiden, antiphospholipid syndrome, protein C or S deficiency)
Certain disease states (heart failure, nephrotic syndrome, respiratory failure)

Question 5

CHA2DS2-VASc

Answer 5

C - CHF
H - HTN
A - Age > /= 75
D - Diabetes
S - Stroke/TIA
V - Vascular disease (prior MI, PAD, aortic plaque)
A - Age 65-74
Sc - Female

Question 6

HAS-BLED

Answer 6

H- HTN (SBP > 160 mmHg)
A- Abnormal kidney/liver function (1-2 pts)
S- prior stroke
B- Bleeding tendency or predisposition
L - Labile INR (if on warfarin)
E- Elderly (age > 65)
D- Drugs (aspirin, NSAIDs), excess alcohol use (1-2 pts)