<unk>  is a valvular heart disease characterized by the narrowing of the opening of the<unk>  valve of the heart. It is almost always caused by rheumatic valvular heart disease. Normally, the<unk>  valve is about 5 cm2 during diastole. Any decrease in area below 2 cm2 causes<unk> . Early diagnosis of<unk>  in pregnancy is very important as the heart cannot tolerate increased cardiac output demand as in the case of exercise and pregnancy. Atrial fibrillation is a common complication of resulting left atrial enlargement, which can lead to systemic thromboembolic complications like stroke.
Mitral stenosis
Aortic regurgitation
Mitral regurgitation
Tricuspid regurgitation
Aortic stenosis
Pulmonary valve stenosis
Tricuspid valve stenosis
Systolic hypertension