Day 4 of 5 Quiz: Gastroenterology Masterclass

A 2-day-old male is hospitalized due to vomiting and abdominal distension. His vomit is greenish in color and swelling of the upper abdomen is noted on physical examination. X-ray reveals a double-bubble sign. What is the most likely diagnosis?

A 5-week-old male is brought into the clinic by his mother with chief complaints of constant vomiting after feeding for about a week. His vomit is projectile and it is not greenish or dark in color. On physical examination an olive-shaped mass in the epigastric region was palpated. What is the most likely diagnosis?

Complete Metabolic Count of a 4-week-old boy being evaluated for Pyloric stenosis is notable for electrolyte imbalances. What electrolyte imbalances most likely occur in hypertrophic pyloric stenosis?

A 35-year-old woman presents to the clinic with a 3-day history of sudden chest pain, heartburn and severe pain with swallowing. Her past medical history reveals Iron deficiency anemia for which she takes iron tablets. Her vital signs are normal, ECG and Troponin levels are unremarkable. Endoscopy reveals circumferential deep ulceration with relatively normal surrounding mucosa at the middle third of the esophagus. What is the most likely diagnosis?

A patient presenting with infectious esophagitis caused by HSV-1 would most likely reveal which of the following on the esophageal wall with endoscopy?