Exam 7: Units 12, 13, & 14 Flashcards
class warfarin
anticoagulant
MOA warfarin
decreases synthesis of clotting factors
which 4 clotting factors does warfarin decrease?
2 (II)
7 (VII)
9 (IX)
10 (X)
warfarin is for _____ of blood clots (DVT, PE)
PREVENTION - anticoagulants only prevent, they do not break down
a patient should not be given warfarin if they have
active bleeding anywhere (including peptic ulcers)
warfarin is ____ pregnancy safe
NOT pregnancy safe
black box warning for warfarin
bleeding/fatal hemorrhage
this syndrome is a side effect of warfarin
purple toe syndrome
this may happen with long-term use of warfarin
osteoporosis
antidote for warfarin
vitamin K
monitor ____ while giving warfarin
INR
therapeutic range for INR
2-3
this should be added as a consideration while using warfarin
contraception - warfarin is not pregnancy safe
class heparin
anticoagulant
MOA heparin
enhances anti-thrombin III
blocks conversion of prothrombin to thrombin and fibrinogen to fibrin
do not use heparin if the patient is
currently bleeding or has a bleeding disorder (including peptic ulcers)
this may happen with long-term use of heparin
osteoporosis
antidote for heparin
protamine sulfate
heparin is only given via these two routes
IV and SQ
monitor ____ while giving heparin
aPTT
therapeutic range for aPTT
1.5-2.5 times normal
the nurse may need to draw this lab for a patient using heparin
CBC - need to know of any bleeding
class dabigatran
anticoagulant
MAO dabigatran
directly inhibits thrombin