A 2 month old child, born prematurely is brought with respiratory distress. Cardiac examination revealed increased pulse peessure and a pansystolic murmur best heard in 2nd left intercostal space. The most probable diagnosis would be
Atrial septal defect
Ventricular septal defect
Patent ductus aeriosus
Tetralogy of fallot's
Patent ductus aeriosus (PDA) is a persistent opening between the two major blood vessels leading from the hea. The opening, called the ductus aeriosus, is a normal pa of a baby&;s circulatory system before bih that usually closes sholy after bih. Reference: GHAI Essential pediatrics, 8th edition
Respiratory system