Warfarin Flashcards

1
Q

establish reason for consultation

A

recent AF
VTE
mechanical heart valve

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2
Q

what and when

A

tablet
OD in evening, same time each day

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3
Q

what it does

A

decrease blood tendency to clot (by preventing vitK dependent production of clotting factors)

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4
Q

how long on warfarin for

A

VTE & known risk = 3 months
no known risk = 6 months
recurrent = life

AF/mechanical valve = life

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5
Q

side effects

A

bleeding

blood in stool, urine, severe bruising, nosebleeds

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6
Q

safety netting warfarin

A

fall, blow to head, experience severe side effects

inform Dr/dentist before procedures

avoid contact sports

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7
Q

monitoring warfarin

A

INR daily until therapeutic range (2-3) –> twice weekly –> weekly –> 12-weekly

keep track on INR in yellow book

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8
Q

CIs

A

pregnancy

uncontrolled HTN

haemorrhagic stroke

bleeding disorders

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9
Q

med interactions

A

avoid aspirin & ibuprofen

food containing vitK (leafy greens)

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