Pure left sided failure may be seen with –a) ASDb) Aortic stenosisc) Patent ductus arteriosusd) Pulmonary valvular obstruction
(A) a (B) c (C) bc (D) ad
(C) ASD usually does not cause HF.
AS & PDA increase the strain on left ventricle -> LVF.
PS increases the strain on right ventricular failure ---> RVF.