Abdominal examination Inspection and peripheral signs Position: Patient flat with 1 pillow, top off, and trousers down to pubic symphysis. End of bed observation: Weight loss (cachexia). Abdominal distention. Causes are the 5Fs: f at, f luid (ascites), f aeces (constipation), f latus, f etus. Is it central (viscous), or at the flanks (more fluid)? Obvious jaundice. Respiratory rate and pattern. Hands: Perfusion/temperature. Clubbing: IBD, cirrhosis, coeliac, GI lymphoma. Nails: leukonychia (white areas: ↓albumin), koilonychia (spoon-shaped nails: iron-deficiency anaemia). Palmar erythema and Dupuytren's contracture may be seen in chronic liver disease (CLD). Dupuytren's is also linked to phenytoin use and diabetes. Arm: Pulse and BP. Hepatic encephalopathy can cause flapping tremor: ask them to stick hands out and cock wrists. The co-ordinated extensor contraction and flexor relaxation required is not maintained, and as the hand drops they consciously jerk it back, produci