A 2-day-old premature newborn (34 weeks gestation) presents with tachypnea (RR 68/min), poor weight gain, and feeding intolerance. Vital signs show BP 58/32 mmHg, HR 162/min, and SpO2 98% on room air. Cardiac examination reveals a continuous "machine-like" murmur at the left infraclavicular region. Chest X-ray demonstrates pulmonary edema and cardiomegaly. No cyanosis is noted. Which medication would most likely promote closure of the patent ductus arteriosus?
- A)IndomethacinGABARITO
- B)Prostaglandin E1 infusion
- C)Furosemide
- D)Dobutamine
- E)Milrinone
Explicação
Patent ductus arteriosus is maintained by prostaglandins and is common in premature infants. Indomethacin, an NSAID, lowers prostaglandin synthesis and promotes ductal closure. The continuous machine like murmur is the classic clue. Ver explicação completa e trilha adaptativa →