True about hea disease in pregnancy
Mitral stenosis : Cardiac surgery is best done before pregnancy; If needed Balloon valvuloplasty is the preferred procedure in second trimester MR is well tolerated in pregnancy because the decreased systemic vascular resistance results in less regurgitation Aoic stenosisis essentially a disease of ageing and hence rare in pregnancy unless associated with congenital lesion like bicuspid aoic valve Termination of pregnancy advised in NYHA class 3 and 4 Reference: Textbook of Obstetrics; Sheila Balakrishnan, 2nd edition; Page no: 236
In Mitral Stenosis surgery better avoided in pregnancy
Mitral Regurgitation - Definite indication for termination of pregnancy
Aoic stenosis in old age is due to Bicuspid valve
Termination of pregnancy advised in NYHA class II
Medical, surgical and gynaecological illness complicating pregnancy