A 1-month-old male infant is brought to the physician because of inconsolable crying for the past 3 hours. For the past 3 weeks, he has had multiple episodes of high-pitched unprovoked crying every day that last up to 4 hours and resolve spontaneously. He was born at term and weighed 2966 g (6 lb 9 oz); he now weighs 3800 g (8 lb 6 oz). He is exclusively breast fed. His temperature is 36.9°C (98.4°F) and pulse is 140/min. Examination shows a soft and nontender abdomen. The remainder of the examination shows no abnormalities. Which of the following is the most appropriate next step in management?
AAdminister simethicone
BPerform lumbar puncture
CReassurance
DAdminister pantoprazole
ERecommend the use of Gripe water
A 27-year-old man presents to the emergency department after being stabbed. The patient was robbed at a local pizza parlor and was stabbed over 10 times with a large kitchen knife with an estimated 7 inch blade in the ventral abdomen. His temperature is 97.6°F (36.4°C), blood pressure is 74/54 mmHg, pulse is 180/min, respirations are 19/min, and oxygen saturation is 98% on room air. The patient is intubated and given blood products and vasopressors. Physical exam is notable for multiple stab wounds over the patient's abdomen inferior to the nipple line. Which of the following is the best next step in management?
AExploratory laparotomy
BDiagnostic peritoneal lavage
CCT scan of the abdomen and pelvis
DExploratory laparoscopy
EFAST exam
A 36-year-old woman, gravida 3, para 2, at 37 weeks' gestation comes to the emergency department because of sparse vaginal bleeding for 3 hours. She also noticed the bleeding 3 days ago. She has had no prenatal care. Both of her previous children were delivered by lower segment transverse cesarean section. Her temperature is 37.1°C (98.8°F), pulse is 90/min, respirations are 16/min, and blood pressure is 110/80 mm Hg. The abdomen is nontender, and no contractions are felt. Examination shows that the fetus is in a vertex presentation. The fetal heart rate is 160/min and shows no abnormalities. Which of the following is the most appropriate next step in management?
APerform cesarean delivery
BPerform transvaginal sonography
CPerform Kleihauer-Betke test
DPerform pelvic examination
EConduct contraction stress test
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