Chronic Liver Disease History Taking OSCE — Aetiology, Symptoms & Complications

Why Chronic Liver Disease Features in OSCEs

Chronic liver disease (CLD) tests history taking breadth and sensitivity simultaneously. Candidates must elicit an aetiology (often requiring careful alcohol questioning), screen for complications (ascites, encephalopathy, bleeding), and communicate with empathy — especially around alcohol and substance use. Examiners reward a structured approach that moves from aetiology to symptoms to complications without losing the patient-centred thread.

Opening and ICE

Begin open: "Can you tell me what's been happening with your health lately?" Allow free narrative, then structure with targeted questions. Early ICE — "What do you think might be causing this?" — reveals health beliefs that may affect adherence and allow rapport building.

Establishing Aetiology — The Key Differentials

Alcohol History

Use a sensitive, non-judgmental approach. Ask CAGE questions: "Have you ever felt you should Cut down? Have people Annoyed you by criticising your drinking? Have you ever felt Guilty about drinking? Have you ever needed an Eye-opener?" Then quantify units per week and duration. Explore pattern (binge vs. daily) and periods of abstinence.

Symptoms of Chronic Liver Disease

Symptoms from Liver Dysfunction

• Jaundice (yellow discolouration of skin/eyes, dark urine, pale stools)
• Fatigue and general malaise
• Right upper quadrant ache or fullness
• Pruritus (especially in cholestatic disease — PBC, PSC)
• Easy bruising or bleeding (coagulopathy)

Symptoms from Portal Hypertension

• Abdominal distension (ascites)
• Haematemesis or melaena (variceal bleeding)
• Confusion, personality change (hepatic encephalopathy)
• Leg swelling (oedema)

Complications Screening

Screen explicitly for the major complications of cirrhosis: ascites ("Has your tummy ever swollen up?"), spontaneous bacterial peritonitis ("Have you had any fever with the swelling?"), hepatic encephalopathy ("Have you or others noticed any confusion, forgetfulness, or personality change?"), variceal bleeding ("Have you vomited blood or passed dark tarry stools?"), and hepatocellular carcinoma ("Any rapid weight loss or change in abdominal pain?").

Past Medical and Drug History

Ask about: previous liver investigations or biopsies, known gallstones, previous transfusions (hepatitis B/C risk), metabolic syndrome components (T2DM, hypertension, dyslipidaemia), and all medications including herbal remedies. Hepatotoxic drugs to screen for include methotrexate, amiodarone, statins, isoniazid, and NSAIDs.

Family and Social History

Family history of liver disease, haemochromatosis, or Wilson's disease. Social history: occupation (exposure to hepatotoxins), travel history (hepatitis A/E in endemic areas), tattoos and piercings, sexual history (hepatitis B transmission), IV drug use (hepatitis C).

Investigations to Mention in Closing

Blood tests: LFTs (AST:ALT ratio >2 suggests alcoholic), GGT (sensitive marker for alcohol), bilirubin, albumin (synthetic function), clotting/INR, FBC (thrombocytopaenia in portal hypertension), hepatitis B sAg and anti-HBc, HCV antibody, ANA/ASMA (autoimmune), immunoglobulins, ferritin/transferrin saturation (haemochromatosis), caeruloplasmin (Wilson's). Imaging: USS liver (cirrhosis texture, portal hypertension, HCC screening), fibroscan (liver stiffness/fibrosis staging). Specialist: liver biopsy if diagnosis uncertain.

Mark-Scheme Checklist

Frequently Asked Questions

"What is the CAGE questionnaire and how do I use it in an OSCE?"

CAGE is a validated four-question screening tool for alcohol dependence: Cut down, Annoyed, Guilty, Eye-opener. Two or more positive answers indicates probable alcohol use disorder (sensitivity ~80%). In the OSCE, introduce it naturally: "I'd like to ask a few standard questions about alcohol that I ask all my patients." Score each answer and then quantify units per week and the duration of drinking. CAGE detects dependence rather than hazardous use — for the latter, AUDIT-C (three questions: frequency, typical quantity, frequency of heavy sessions) is more sensitive. In OSCEs you will usually score marks for asking at least two or three CAGE questions and estimating weekly units.

"How do I differentiate between the causes of chronic liver disease in the history?"

Use a systematic aetiological screen: start with alcohol (duration, units, CAGE), then NAFLD risk factors (obesity, T2DM, hyperlipidaemia), then viral hepatitis risks (IV drug use, transfusion before 1991, tattoos, sexual contacts, country of origin for HBV), then autoimmune (female, other autoimmune conditions, family history), then genetic causes (family history, associated features of haemochromatosis — arthropathy, diabetes, bronze skin, erectile dysfunction — or Wilson's — young patient, neuropsychiatric symptoms). PBC should be considered in middle-aged women with pruritus and fatigue. No single question clinches the diagnosis; the pattern across the screen narrows the differential.

"What complications of cirrhosis must I screen for in every liver history?"

The five major complications are: (1) ascites — abdominal distension, shifting dullness; (2) spontaneous bacterial peritonitis — fever with ascites, abdominal pain; (3) hepatic encephalopathy — confusion, asterixis, personality change (ask a family member if possible); (4) variceal haemorrhage — haematemesis, melaena, haematochezia; and (5) hepatocellular carcinoma — right upper quadrant mass, rapid weight loss, rising AFP. In the history, screen for all five explicitly. Examiners frequently ask candidates to list these complications after the consultation, so prepare a verbal summary.

"What is the significance of the AST:ALT ratio in alcoholic liver disease?"

An AST:ALT ratio greater than 2:1 (particularly with a GGT that is disproportionately elevated) is characteristic of alcoholic hepatitis and liver disease. This is because ethanol metabolism preferentially depletes pyridoxal phosphate (vitamin B6), which is a cofactor for ALT production, so ALT is relatively suppressed compared to AST. In viral hepatitis, the ratio is usually reversed (ALT > AST). GGT is a sensitive but non-specific marker for alcohol use and also rises with enzyme-inducing drugs. In the OSCE, knowing this ratio and being able to explain it to an examiner in a viva component often scores distinction-level marks.

"How do I sensitively ask about intravenous drug use in a liver history?"

Normalise the question first: "I need to ask about some personal lifestyle questions — these are things I ask everyone with liver problems and there are no wrong answers." Then ask: "Have you ever used recreational drugs, including injected ones?" If they say yes, explore: type, frequency, shared needle use, and whether they have been tested for blood-borne viruses. Offer a non-judgemental response: "Thank you for telling me — that's really helpful." In clinical practice, hepatitis C antibody testing should be offered to all patients who have ever injected drugs, as treatment (DAA therapy) is now highly effective with >95% cure rates. In the OSCE, the examiner is looking for sensitivity, completeness, and non-judgement.

"What investigations would you request after a chronic liver disease history?"

First-line bloods: LFTs (AST, ALT, GGT, ALP, bilirubin, albumin), clotting/INR (synthetic function), FBC (thrombocytopaenia from hypersplenism), U&Es (hepatorenal syndrome risk), fasting glucose, lipids. Aetiology screen: HBsAg, anti-HBc, HCV antibody, ANA, anti-smooth muscle antibody, immunoglobulins (IgG elevated in AIH), ferritin, transferrin saturation, caeruloplasmin (if <40 years), alpha-1 antitrypsin level. Tumour marker: AFP. Imaging: USS liver and portal vein — looks for cirrhotic texture, splenomegaly, ascites, HCC nodules. Fibroscan assesses fibrosis non-invasively. Endoscopy: OGD for varices screening once cirrhosis confirmed. Liver biopsy is the gold standard for staging fibrosis but is invasive.

Related guides: Jaundice History OSCE · Alcohol History and Brief Intervention OSCE · Abdominal Examination OSCE · Upper GI Bleeding OSCE