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A member asked:
Could you tell me why mitral stenosis causes dyspnea?
A doctor has provided 1 answer
Multiple causes: Dyspnea is difficult breathing. Ms causes this in multiple ways. Increased lung water (back up into the lungs.) dilated left atrium compressing the left main stem bronchus. Decreased cardiac output (and o2 delivery) leading to a sensation of needing to breathe harder. Atrial arrhythmias leading to decreased cardiac output and increased water in the lungs. Each person has variable contribution.
Answered 4/4/2018
4.6k views
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