Review Question - QID 214704

A 25-year-old, G1P0, woman at 8 weeks' gestation presents to the emergency department with acute onset nausea, vomiting, and abdominal pain. She was initially able to tolerate oral intake 5 days ago, but she then required an over-the-counter antiemetic 2 days ago. Now she is unable to consume liquids or solids and has worsening abdominal pain. She denies any trauma to the abdomen, abnormal bowel movements, sick contacts, or recent travel. She denies vaginal bleeding or leakage of fluid. She has a history of sickle cell disease and was last hospitalized when she was 20. She is up to date on all of her vaccinations. Her temperature is 101°F (38.3°C), blood pressure is 145/90 mmHg, pulse is 95/min, and respirations are 22/min. Physical examination is remarkable for right upper quadrant tenderness upon palpation and scleral icterus. Laboratory studies are shown below:

Hemoglobin: 8.6 g/dL
Leukocyte count: 14,000/mm^3 with normal differential
Platelet count: 150,000/mm^3

Aspartate aminotransferase (AST, GOT): 125 U/L
Alanine aminotransferase (ALT, GPT): 90 U/L

Which of the following is the most likely diagnosis?