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Arab Board Pediatrics Final Written Practice Questions - Arab Board Pediatrics Final Written Examination (ABHS) Exam

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A post-term infant born at 42 weeks of gestation through thick meconium-stained amniotic fluid exhibits profound cyanosis and severe respiratory distress shortly after birth. Echocardiography demonstrates suprasystemic right ventricular systolic pressure with right-to-left shunting across the ductus arteriosus and foramen ovale, with structurally normal intracardiac anatomy. Pre-ductal SpO2 is 93% on mechanical ventilation, while post-ductal SpO2 is 78%. What is the most targeted pharmacological intervention?
Correct Answer:
Inhaled nitric oxide (iNO)

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