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Progress 11 (Page 156)

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mbch4kz2's version from 2016-05-09 17:38

Section

Question Answer
What are the 2 types biological valves?Biological (bioprosthetic) or mechanical
What are the advantages of biological valves?Structural deterioration and calcification over time and long-term anticoagulation is not needed. Warfarin may be given for the first 3 months. Low dose aspirin given long term.
What are the advantages and disadvantages of mechanical valves?Most common type of valve is bileaflet valve- low failure risk. Increased risk of thrombosis. Long-term coagulation is needed- aspirin normally given in addition
What is normal INR (not on warfarin)?0.8-1.2
What is normal INR on warfarin?2-3
What are the features of aortic regurgitation?
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