Pharma Flashcards
Anticlotting drugs are used in
tx and prevention of MI, other acute coronary syndromes, ischemic stroke, AF, DVT
Anticoagulant & throbolytic drugs are effective in ….
Antiplatelet drugs are useful only for…
both venous & arterial thrombosis
of arterial disease
Parenteral anticlotting drugs are never used I.M. Because of
hematoma risk)
Action of heparin (UFH) is monitored with
aPTT
…reverses the effects of UFH (hebarin)
Protamine
Protamine reverses
partially reverses
LMW heparins, but not fondaparinux
Warfarin inhibits … and used …
vit K epoxide reductase
orally
Vit K dependent factors are
II, VII, IX and X
Clotting factors have half lives 0f ….. h in plasma so onset of anticoagulant action is relatively …
8-60
slow
What inhibits vit k
Warfarin
Slow reversal with vit K (…. h)
6-24
Effect of warfarin is monitered with
PT
INR
Warefarin is Contraindicated in pregnant woman because
cause bone defects
and bleeding in fetus
In warfarin There is a period of hypercoaglability due to
deficiency of protein C early in the therapy
Direct oral anticoagulants (dabigatran, rivaroxaban) bleeding rate compared to warfarin
Lower (doesnt need monitering)