Mitral stenosis Flashcards
(10 cards)
define mitral stenosis?
Mitral valve narrowing causing obstruction to blood flow from the left atrium to the left ventricle
what is the epidemiology of mitral stenosis?
• Incidence is declining because rheumatic fever is becoming more and more rare
what is the main cause of mitral stenosis?
rheumatic fever
presenting symptoms of mitral stenosis?
- May be ASYMPTOMATIC
- Fatigue
- Shortness of breath on exertion
- Orthopnoea
- Palpitations
how would you describe a mitral stenosis murmur?
• Mid-late diastolic murmur
o Opening snap with a low pitched rumble
how is the mitral stenosis best heard?
• Best heard on expiration
what are other signs of mitral stenosis?
- Loud S1 with an opening snap
- Low volume pulse
- Malar flush
- Atrial fibrillation
- Heart failure
what are the appropriate investigations for mitral stenosis?
• Echocardiography
what might be seen on ECG?
p-mitrale
what might be seen on CXR?
o Left atrial enlargement