Mitral regurgitation

joblist: managing the sick MR patient?

Headline
Etiology LV dilatation, age, Infective endocarditis, connective tissue disorders
Epidemiology
Clinical presentation SOB, fatigue, palpitations
- acute heart failure
- prominent v wave in CVP waveform

Murmur: pan-systolic, loudest when leaning on left, radiating to axilla
Heart sounds: soft S2
Apex beat: displaced
Pulse: low volume, AF
Pathogenesis Acute MR: volume overload of LA and pulmonary veins → pulmonary oedema
Chronic MR: LVH
Diagnostic investigations - echo
- blood cultures if acute MR with no obvious signs of infarction - Infective endocarditis
Management Acute presentation: pulmonary oedema, rate control
Prevention