A 31-year-old man is brought to emergency because of severe, constant abdominal pain for 5 hours. He has history of hypertension and dyslipidemia. Examination shows positive Chvostek and Trousseau signs. Serum glucose is 180 mg/dL. Which of the following is the most likely diagnosis?
Cholecystitis
Choledocholithiasis
Malignancy
Pancreatitis (acute)
Pancreatitis (chronic)