Valvular heart disease: Mitral stenosis
Congenital heart disease: ASD
Cyanotic congenital heart disease: Fallot’s tetralogy (TOF)
N – NYHA Class >II
O – Obstructive lesions of left heart (Aortic valve <1.5 cm; Mitral valve <2 cm)
P – Pre-pregnancy cardiac events (Heart failure, arrhythmia, TIA, Stroke)
E – Ejection fraction <40%
Number of predictors equals risk of cardiac events:
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