Differential diagnosis of atrial septal defect are :
-chronic obstructive pulmonary disease
-sleep apnea
-left ventricular failure
-primary pulmonary hypertension
-pulmonary stenosis
-Eisenmenger syndrome
-chronic pulmonary embolism
-left sided valvular disease
-chronic obstructive pulmonary disease
-sleep apnea
-left ventricular failure
-primary pulmonary hypertension
-pulmonary stenosis
-Eisenmenger syndrome
-chronic pulmonary embolism
-left sided valvular disease