A 40-year-old woman presents with right upper quadrant pain. Despite normal laboratory results, acute cholecystitis is suspected and bedside ultrasound is performed.

1. List four positive ultrasound findings that suggest cholecystitis. 4 marks

2. Complete the table with two reasons for false positive and two reasons for false negative ultrasound findings specific to cholecystitis. 4 marks

Ultrasound confirms cholecystitis and the patient is admitted to the ward for lap cholecystectomy.

3. List four complications specific to laparoscopic cholecystectomy that may lead to ED presentation post-discharge. 4 marks