Gynaecology & Obstetrics Medical, surgical and gynaecological illness complicating pregnancy ae8b4582

Area of mitral valve in severe mitral stenosis during pregnancy

4-6 cm2

1.5-2.5 cm2

1-1.5 cm2

0.8-1 cm2

High-Yield Explanation

Normal area of mitral valve is 4-6cm2 Symptoms usually appear when stenosis <2.5cm2 Severe mitral stenosis is less than 1.5cm2 Critical area is less than 1cm2- High rate of Pulmoary edema(55%) and Arrhythmia(33%) Reference: William's Obstetrics; 24th edition; chapter 49 & DC.Duttas ,9th edition,page 260

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