CANDIDATE INSTRUCTIONS
You are a resident year 1 doctor working in the GP Clinic. A 20-year-old gentleman presents with a headache for 1 month. He also notices that he has on and off palpitations.
Take a focused patient's history.
At 7 minutes, the examiner will stop you to ask you some questions.
2 Minutes Reading Time
10 Minutes Station Time
Total 12 Minutes
EXAMINER INSTRUCTIONS
Timing Instructions: At 7 minutes, stop the candidate and ask the following questions:
Question 1: Give 3 differential diagnosis with reasons.
Answer 1:
Pheochromocytoma (as seen from high blood pressure, young age, and hot flushes)
Conn's Syndrome
Cushing's Syndrome
Hyperthyroidism
Note: Essential Hypertension should not be a differential, it is a diagnosis of exclusion!
Question 2: What is the next appropriate step for this patient?
Answer 2:
Perform vital signs (includes heart rate, blood pressure, respiratory rate, SpO2, temperature), and relevant systemic examination.
Perform a fundoscopy
Advise on HBPM (home blood pressure monitoring)
Question 3: If the patient has pheochromocytoma, what is the most appropriate investigation of choice?
Answer 3: Urinary metanephrine/ urinary catecholamine metabolites
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Phaeochromocytoma
PATIENT INSTRUCTIONS
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Name: George Green
Age: 20 Years Old
Date of Birth: 1st January 2004
Location: GP Clinic
Occupation: College Student
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I've recently visited the college’s clinic. (Offer if asked)
Vital signs showed:
Heart rate : 140 beats per minute, regular rhythm, strong volume
Respiratory rate : 18 breaths per minute
Blood pressure : : 150/100 mmHg
SpO2 : 100% under RA
Temperature : 37°C
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“I have been having headaches for the past 1 month”.
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Site : Whole head (if questioned, around my head)
Onset : 1 months ago, first time
Character : Throbbing and aching
Radiating : Non-radiating
Associated symptoms :
Palpitations, intermittent, comes with the headache
Develops hot flushes and sweating, intermittent
Timing : Persistent, last for a maximum of 5 minutes
Exacerbating : None (symptoms suddenly occur)
Alleviating factors : Pain relieved with OTC paracetamol. Temporary relief.
Severity : 7/10
Red flag symptoms :
No fever, neck stiffness, nausea, vomiting (▲meningitis)
No thunderclap headache, worst headache of his life (▲TIA)
TRO other secondary causes of hypertension
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Otherwise, NO fever, lost of weight, loss of appetite (constitutional symptoms)
No signs suggestive of Hyperaldosteronism, Hyperthyroidism, and Cushing's Syndrome
Hyperaldosteronism : Muscle weakness (d/t hypokalemia)
Hyperthyroidism : Sweaty, tremors, anxiety, sensitive to heat, exophthalmos,
weight lossCushing syndrome : Weight gain, buffalo neck, central obesity, moon face,
abdominal striae
Previous episodes: Never experienced this before.
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Ideas: “I don’t know!”
Expectations: “Please help me doctor?”
Concerns: “Do I have something serious?”
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NO chest pain
NO vomiting, diarrhea, abdominal pain
NO weakness of upper limbs and lower limbs.
Normal urinary flow and bowel habits.
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Previous hospital admissions: None
Previous surgeries: None
Medical conditions: None
Medications:
None
Over the counters:
Paracetamol for the headache. Only temporary relief.
Allergies:
None.
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Everyone in the family is healthy and well.
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Smoking: Does not smoke
Alcohol: Does not drink alcohol
Recreational drugs: Never
Diet: Always eat takeaway food
Exercise: Sometimes jogging
Ill contacts: No one around me was recently ill
Home: Lives in the college dorm
Active Daily Living: Study and attend lectures
Occupation: College Student. Finds it stressful but manageable. No abnormal sleep changes.
MARK SCHEME
Introduction
Chief Complaint
History of Presenting Complaint
Systems Review
Past Medical History
Previous surgeries done
Drug History
Family History
Social History
Questions
Patient Scores
Enter Your Score Here: /28
SCORE GUIDE
Pass: 18-28
Borderline Pass: 12 – 17
Fail: 0-11
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