Mitral Regurgitation Flashcards
1
Q
Common causes of MR?
A
LV dilatation Mitral valve prolapse Annular calcification Post-MI RHD Marfan's, EDS
2
Q
Symptoms of MR?
A
Dsypnoea, fatigue, AF (palpitations, embolic disease)
Pulmonary congestion
3
Q
Signs of MR?
A
AF RVH (parasternal heave) Apex beat displaced Soft S1 Blowing PSM
4
Q
Differential dx for MR?
A
AS
TR
VSD
5
Q
Echo signs of severe MR?
A
Jet width > 0.6cm
Systolic pulmonary flow reversal
Regurgitant volume >60ml
6
Q
What is the aim of MR treatment?
A
Reduce preload and afterload to reduce LA and LV dilation/hypertrophy
7
Q
Methods to reduce afterload?
A
Diuretics
ACEIs
Beta-blockers
Balloon valvuloplasty
8
Q
When is surgery indicated in MR?
A
Severe symptomatic or severe asymptomatic with EF greatly reduced
9
Q
What is Barlow disease?
A
Mitral valve prolapse
10
Q
What are common causes of mitral valve prolapse?
A
Myxomatous degeneration Marfan's EDS Fibroelastic degeneration MI Turner's syndrome
11
Q
What sign on auscultation is typical for mitral valve prolapse?
A
Mid-systolic click + late systolic murmur
