Amritsar, June 21 -- Cardiologists at Guru Nanak Dev Hospital (GNDH), a part of Government Medical College here, have successfully treated a six-month-old infant suffering from Patent Ductus Arteriosus (PDA), a congenital heart defect in which a blood vessel connecting the heart and lungs fails to close after birth. According to doctors, the infant, weighing 4.5 kg, was experiencing poor weight gain, recurrent respiratory infections, breathing difficulties and weakness due to PDA. GNDH director-principal Rajiv Devgan said the treatment was provided free of cost under the CM Health Scheme. "In private hospitals, a similar procedure costs up to Rs.7 lakh, and even there, such devices are usually used only in children weighing over 5 kg," he added.htc...