Thursday, April 06, 2006

METALLIC Prosthetic Valve


5 types of prosthetic heart valves:


A. Starr-Edwards mitral caged ball valve.
B. Medtronic Hall tilting disk valve.
C. St. Jude bileaflet valve.


D. Hancock porcine valve.
E. Carpentier-Edwards bovine pericardial valve.

(NOT as short case)



Don't confuse yourself with the types of prosthetic valves. For PACES setting, you only need to know about:

1. Which valve is replaced?
- Mitral valve: metallic S1, loudest at mitral area
- Aortic valve: metallic S2, loudest at aortic area

2. Any complications?
- evidence of valce leakage
- IE
- Thromboembolism eg embolic stroke
- Bleeding due to overwarfarination
- Hemolytic anemia

Pitfalls
Fail to recognize bivalve replacement
Mistaken systolic flow murmur as murmur of valve dysfunction
-ONLY 2 important murmur you need to remember for valve leakage i.e. AR and MR

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