<prompt> Known case of gall stones presents with chief complaints of severe abdominal pain and elevated levels of serum lipase with periumbilical ecchymosis. The following values help to predict the severity exceptAgeSerum LDHBase deficitSerum GGT  <response>: Ans. d Serum GGTRef: Sabiston Page 1527 20th editionThe question is about Ranson Score:The factors in Ransons Score - LAGAW- BUCHOWOn admissionWithin 48 hrs L- LDH 700ul A- AST 250 sigma frankel units G-Glucose 10mmoll A- Age 55yrs W- WBC Count 16000mm3 B-Base deficit 4mmoll U-Blood Urea N2 5mg. C-Calcium 2.0mmoll H- Haematocrit fall 10 O-Arterial O2 saturation PaO2 60mmHg W-Water sequestration 6l 