A 45-year-old woman, mother of four children, comes to the emergency room complaining of a sudden onset of the epigastric and right upper quadrant pain, radiating to the back, accompanied by vomiting. On examination, tenderness is elicited in the right upper quadrant, bowel sounds are decreased, and laboratory data shows leukocytosis, normal serum levels of amylase, lipase, and bilirubin. The most likely diagnosis is:

Answer options

1. Acute cholecystitis
2. Sigmoid diverticulitis
3. Myocardial infarction
4. Perforated peptic ulcer disease
5. Acute pancreatitis

Explanation

A 45-year-old woman, mother of four children, comes to the emergency room complaining of a sudden onset of the epigastric and right upper quadrant pain, radiating to the back, accompanied by vomiting. On examination, tenderness is elicited in the right upper quadrant, bowel sounds are decreased, and laboratory data shows leukocytosis, normal serum levels of amylase, lipase, and bilirubin. The most likely diagnosis is: