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ility in outcomes. Acute cholecystitis (AC) affects 50-200000 patients per year. Early surgery is the treatment of choice for AC. Therefore, timely diagnosis is important to begin proper management. Recently, emergency departments have adopted point-of-care ultrasound (POCUS) for the initial evaluation of AC. The accuracy of POCUS for AC has not been well studied. Patients receiving POCUS for evaluation of AC in the emergency department at our tertiary care institution for 2years were considered. Patients with previous biliary diagnoses were excluded. Patie