This is a practice OSCE station for UKMLA content.
Contents
- How to use
- Candidate brief
- Examiner questions:
- 1. What is your main differential diagnosis and why is this more likely than other differentials?
- 2. State two blood results that are likely to be raised with this condition and why this is the case
- 3. Name three risk factors that a patient may have that can predispose them to this condition
- 4. Describe the management of this condition
- 5. Mary is going to undergo an ERCP. Please briefly explain two complications of this procedure
How to use
Candidate:
- Read the brief below (1 minute).
- Take a history (6 minutes).
- Answer viva questions (3 minutes).
Patient/Examiner:
- Familiarise yourself with the history & examination findings
- After completing the history, viva the candidate
Candidate brief
A 52-year-old woman with abdominal pain attends the surgical assessment unit after being referred from the GP.
Please take a history, perform an examination and answer the subsequent questions.
Patient name: Mary Walsh
DOB: 19/02/1973
Location: Surgical Assessment Unit
Presenting Complaint:
- Acute abdominal pain and nausea
Symptoms (SOCRATES):
- Site: Right upper quadrant – “It’s in the top right part of my belly”
- Onset: Since this morning – “It started suddenly this morning”
- Character: Sharp – “It feels like someone is stabbing me”
- Radiation: Radiates to back – “The pain moves to my back”
- Associated symptoms: Nausea, vomited once, unable to go to work, feeling feverish – “I just feel terrible – I’ve vomited once and still feel sick and hot. There’s no way I can go into work today”
- Time: Progressive worsening “It’s just been getting worse and worse since this morning”
- Exacerbating/Alleviating factors: Nothing makes the pain better, pressing on the abdomen worsens the pain – “I’ve tried paracetamol and ibuprofen, but they haven’t touched the pain”
- Severity: Severe – “It’s definitely one of the worst pains I have ever felt”
Systemic Symptoms (answer only if specifically asked for):
- Urinary: noticed urine is darker than normal, normal frequency, no obvious blood
- Bowels: noticed no changes
- Fever: had a temperature and feeling feverish for two days
- Eyes: noticed they look slightly yellow
- Weight loss: none unintentional, been trying to lose a bit of weight over the past 6 months as on a diet
- Night sweats: None
- Vomiting and nausea: vomited once and feeling nauseous
- Noticed slight itching the past two days
Past Medical History:
- One miscarriage
- Type II Diabetes
Past Surgical History:
- Appendicectomy as a child
- C-section with second child
Drug History:
- Metformin
Allergies:
- Allergic to aspirin, causes rash
Family History:
- Father died from pancreatic cancer at the age of 65
- Mother has type II diabetes
Social History:
- Struggling to lose weight for years
- Smoker: 15 cigarettes a day
- Alcohol: Half a bottle of wine at weekends
- Occupation: Hospital ward manager
- Diet: Trying to eat healthier, however admits diet often includes fatty foods
- Two children, both teenagers
Ideas, Concerns, and Expectations:
- Think it could be gallstones
- Worried it could be cancer because of father dying from pancreatic cancer
- Wants a scan to look for cancer
Observations:
- Respiratory rate: 22
- Oxygen sats: 97% on room air
- Pulse: 105
- Blood pressure: 105/65
- Alert
- Temperature: 38.1
NEWS: 5
Physical Examination:
General Inspection:
– Small port scars visible from previous laparoscopic appendicectomy
– Mildly jaundiced
Hands:
– No clubbing, pallor, or tremor
– Capillary refill time 3 seconds
– Regular pulse, tachycardic
– No palmar erythema or Dupuytren’s contracture
Face:

Author: Bobjgalindo. CC BY-SA 4.0. Wikimedia Commons.
– Mild scleral icterus present
– Slightly dry mucous membranes
Neck:
– JVP not raised
– No scars or palpable lymphadenopathy
Chest:
– No spider naevi
Abdomen:
Inspection
– No distension
– Small port scars from previous appendicectomy
Palpation
– Severe tenderness in right upper quadrant with voluntary guarding
– Abdomen soft and mildly tender on palpation of the right/left lower quadrants
– No hepatomegaly or splenomegaly palpable
– No palpable renal or aortic masses
– No suprapubic tenderness
Percussion
– Not tolerated due to percussion tenderness in the RUQ
Auscultation
– Bowel sounds present, normal on auscultation
Special tests:
– Fluid thrill -> negative
– If performed or asked for, DRE, examination of external hernial orifices and external genitalia normal
Other:
– No peripheral or sacral oedema
Examiner questions:
1. What is your main differential diagnosis and why is this more likely than other differentials?
Answer: Acute cholangitis
- Right upper quadrant pain with fever and jaundice (Charcot’s triad) is a constellation of symptoms associated with cholangitis
- Clinically differs from cholecystitis with features of obstructive jaundice (yellow sclera, dark urine, itching, pale stools)
- Acute pancreatitis classically presents with severe epigastric pain and vomiting, and could be a differential in a jaundiced patient, as gallstones are a common aetiology. But in this case, the presence of Charcot’s triad should point you towards cholangitis as the most likely differential
- Less likely to be a malignancy due to the absence of red flag symptoms (weight loss, night sweats, abdominal mass) and acute rather than chronic/subacute onset of symptoms
2. State two blood results that are likely to be raised with this condition and why this is the case
Possible answer: ALP, GGT, bilirubin, any inflammatory markers (count as one point)
- Rise in ALP, GGT and bilirubin is indicative of cholestasis or bile obstruction, a key factor in the pathophysiology of cholangitis
- Rise in inflammatory markers is due to acute inflammation/infection
3. Name three risk factors that a patient may have that can predispose them to this condition
Possible answers:
- Aged over 50
- Cholelithiasis
- Strictures (benign or malignant)
- Procedural injury to bile ducts
- History of sclerosing cholangitis
4. Describe the management of this condition
Possible answer:
- Basic management: Sepsis six, including taking lactate, bloods and cultures, providing analgesia, IV fluids, antiemetics if required, strict fluid balance monitoring and consider catheterisation
- Intravenous antibiotics in accordance with local guidelines
- Endoscopic retrograde cholangiopancreatography within 24-48 hours to relieve the obstruction by extracting the stone, and thereby decompressing the biliary tree
- Subsequent cholecystectomy in patients with cholangitis secondary to cholelithiasis (gallstones)
5. Mary is going to undergo an ERCP. Please briefly explain two complications of this procedure
Possible answer:
- Perforation of bile duct, pancreatic duct or duodenum – this is a serious complication which can potentially require urgent surgical intervention and ITU input
- Pancreatitis – traumatic manipulation and instrumentation of the biliary/pancreatic system can increase the risk of pancreatitis
- Infection and bleeding – invasive procedures such as ERCP tend to carry risk of infection and bleeding
References
1. Acute cholangitis (no date) Acute cholangitis – Symptoms, diagnosis and treatment | BMJ Best Practice. Available at: https://bestpractice.bmj.com/topics/en-gb/3000149 (Accessed: 20 January 2025).
2. Szary, N.M. and Al-Kawas, F.H. (2013) Complications of endoscopic retrograde cholangiopancreatography: How to avoid and manage them, Gastroenterology & hepatology. Available at: https://pmc.ncbi.nlm.nih.gov/articles/PMC3980992/ (Accessed: 26 January 2025).
3. Bobjgalindo. English: Sclerotic jaundice in a female patient with ascending cholangitis, Maracay, Venezuela. [Internet]. 2010 [cited 2025 Mar 2]. Available from: https://commons.wikimedia.org/wiki/File:Cholangitis_Jaundice.jpg
Author – Ciara Owens
Editor – Dr Daniel Arbide
Last updated 02/03/2025
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