Normalisation of hypoxaemia following successful percutaneous closure of a bidirectional shunting secundum atrial septal defect without pulmonary hypertension in a patient with severe non-ischaemic cardiomyopathy and refractory ventricular tachycard

Normalisation of hypoxaemia following successful percutaneous closure of a bidirectional shunting secundum atrial septal defect without pulmonary hypertension in a patient with severe non-ischaemic cardiomyopathy and refractory ventricular tachycard