11-06-2014, 05:13 PM
NBME (CK) Q.
A 5-day-old newborn is brought to the emergency department because of pallor, grunting, and poor feeding for 6 hours. He was born at term after an uncomplicated pregnancy, labor, and delivery and was discharged from the hospital at the age of 24 hours. His blood pressure is difficult to obtain, and no pulses are palpable. He has poor capillary refill. After receiving dopamine and diuretic therapy, his color improves and urine is obtained. Pulses are easily palpated in the upper extremities and carotid artery, but femoral pulses are not apparent. Closure of which of the following most likely exacerbated this newborn's condition?
A) Ductus venosus
B) Ductus arteriosus
C) Foramen ovale
D) Ostium primum
E) Sinus venosus
What's ur Dx ?
A 5-day-old newborn is brought to the emergency department because of pallor, grunting, and poor feeding for 6 hours. He was born at term after an uncomplicated pregnancy, labor, and delivery and was discharged from the hospital at the age of 24 hours. His blood pressure is difficult to obtain, and no pulses are palpable. He has poor capillary refill. After receiving dopamine and diuretic therapy, his color improves and urine is obtained. Pulses are easily palpated in the upper extremities and carotid artery, but femoral pulses are not apparent. Closure of which of the following most likely exacerbated this newborn's condition?
A) Ductus venosus
B) Ductus arteriosus
C) Foramen ovale
D) Ostium primum
E) Sinus venosus
What's ur Dx ?