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. 

  1. Take a focused patient's history. 

  2. 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

  • Phaeochromocytoma

PATIENT INSTRUCTIONS

  • Name: George Green

    Age: 20 Years Old

    Date of Birth: 1st January 2004

    Location: GP Clinic

    Occupation: College Student

  • 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

  • I have been having headaches for the past 1 month”.

    • 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 

    • 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 loss

      • Cushing syndrome : Weight gain, buffalo neck, central obesity, moon face,
        abdominal striae

    • Previous episodes: Never experienced this before.

    • Ideas: “I don’t know!”

    • Expectations: “Please help me doctor?”

    • Concerns: “Do I have something serious?”

    • NO chest pain

    • NO vomiting, diarrhea, abdominal pain

    • NO weakness of upper limbs and lower limbs.

    • Normal urinary flow and bowel habits.

  • Previous hospital admissions: None

    Previous surgeries: None

    Medical conditions: None

    Medications:

    • None

    Over the counters:

    • Paracetamol for the headache. Only temporary relief.

    Allergies:

    • None.

  • Everyone in the family is healthy and well.

    • 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


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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