Cultural Competence and Indigenous Health — Viva Defence

Long-case viva: the Aboriginal woman with decompensated RHD and multisystem disease

Examiner brief

A 48-year-old Aboriginal woman from a remote community 800 km from the hospital is admitted with decompensated heart failure from severe rheumatic mitral stenosis. She has type 2 diabetes (HbA1c 84 mmol/mol), CKD stage 3B (eGFR 38, ACR 65), chronic suppurative otitis media with bilateral hearing loss, and depression. She was diagnosed with ARF at age 12 and has missed 4 of her last 6 benzathine penicillin injections. She is 800 km from home, has a 14-year-old son as carer, and has not seen an Aboriginal Health Worker. The notes describe her as 'non-compliant'. [1]

Candidate opening statement (SASPOP)

"This is a 48-year-old Aboriginal woman from a remote community, a homemaker, presenting with decompensated heart failure from severe rheumatic mitral stenosis, with comorbid type 2 diabetes, chronic kidney disease stage 3B, chronic suppurative otitis media with bilateral hearing loss, depression, and suboptimal secondary prophylaxis for rheumatic heart disease. She is 800 km from her community and her care to date has not involved an Aboriginal Health Worker." [1]

Problem list

1. Decompensated heart failure from severe rheumatic mitral stenosis with mixed mitral disease and mild aortic regurgitation
2. Suboptimal secondary prophylaxis for RHD — missed 4 of 6 benzathine penicillin injections
3. Type 2 diabetes mellitus with poor control (HbA1c 84 mmol/mol)
4. Diabetic kidney disease stage 3B with albuminuria
5. Chronic suppurative otitis media with bilateral conductive hearing loss
6. Depression, under-treated
7. Social and cultural context: isolation from community, adolescent carer, no Aboriginal Health Worker, system disengagement [1]

Integrated management plan

Heart failure. Intravenous frusemide, rate control for atrial fibrillation if present, anticoagulation if AF. Early discussion with interventional cardiology for percutaneous balloon mitral valvuloplasty (if valve morphology suitable) or surgical mitral valve replacement. [1]

Secondary prophylaxis. Reframe the missed injections as a system failure, not patient failure. Involve the Aboriginal Health Worker, use teach-back with an interpreter to explain the rationale, address the practical barriers (transport, pain management, a consistent nurse), re-establish the register and recall, and arrange community-based delivery. [1]

Diabetes and CKD. Metformin dose-adjusted for eGFR, SGLT2 inhibitor for renal and cardiovascular protection, insulin for the uncontrolled HbA1c, ACE inhibitor for albuminuria, statin. Involve the diabetes educator, dietitian, and renal team. [1]

Otitis media. Dry mopping, topical antibiotic-steroid drops, audiometry, ENT referral. Consider amplification for the hearing loss. [1]

Depression. Assess and treat, involve the Indigenous mental health service. [1]

Cultural and social. Involve the Aboriginal Liaison Officer from the outset. Address the hearing loss in communication. Explore the social situation (her son, housing, community obligations). Reframe the team's language from 'non-compliant'. Build a discharge plan that is community-based, realistic, and coordinated through the Aboriginal Medical Service and the specialist outreach team. [1]

Probing questions and model answers

Examiner: What is the significance of the missed penicillin injections? [1]

The missed injections place her at high risk of recurrent ARF, which will cause further cumulative valvular damage and accelerate the progression to severe heart failure, stroke, and premature death. The 80 per cent adherence threshold is the minimum for adequate protection; below 40 per cent is equivalent to no prophylaxis. She has received approximately 33 per cent of scheduled doses, which is clinically equivalent to no protection. [1]

Examiner: How would you respond to the nursing staff describing her as 'non-compliant'? [1]

I would reframe this language and invite the team to consider why the injections were missed. The label 'non-compliant' places the blame on the patient and closes off the enquiry into the system's role. The culturally safe response is to ask: Was the service accessible? Was it delivered by a provider the patient trusts? Was the injection painful and was pain managed? Did the patient understand why it matters? Were there transport, childcare or cultural barriers? The answers will almost always reveal a system failure, and the response is to fix the system, not to blame the patient. [1]

Examiner: How do you distinguish cultural awareness, cultural competence and cultural safety? [1]

Cultural awareness is the knowledge that other cultures exist and differ from one's own — it is factual and passive. Cultural competence is the set of skills and knowledge to work effectively across cultures — it is active and skills-based. Cultural safety is the endpoint, and it is defined by the patient: the encounter is culturally safe when the patient feels their cultural identity is respected, the power imbalance is acknowledged and addressed, and they have not been diminished. The critical distinction is that cultural safety requires self-reflection on one's own cultural identity, biases and power. A clinician can be culturally aware and competent and still deliver culturally unsafe care if they have not reflected on their own position. [1]

Examiner: What is the role of the Aboriginal Health Worker in this admission? [1]

The Aboriginal Health Worker is a trained health professional who bridges the cultural and linguistic gap between the patient and the health system. They know the patient and the community. They can advocate for the patient within the system, explain the medical plan in culturally appropriate terms, and explain the patient's perspective to the team. They should be involved from the outset of the admission, not called in as a last resort when the patient has already disengaged. In this case, the Aboriginal Health Worker would help establish trust, identify the barriers to the injections, and develop a culturally safe plan for ongoing prophylaxis. [1]

Examiner: How would you approach the discussion of definitive valve intervention (valvuloplasty or surgery) with this patient? [1]

I would involve the Aboriginal Liaison Officer and, if the patient wished, her family. I would explain the procedure, the benefits (relief of symptoms, improved survival), the risks, and the alternative (ongoing medical management with a poor prognosis) in plain language, using the teach-back method to confirm understanding. I would respect her right to make the decision collectively with her family if that is her cultural practice. I would ensure she has adequate time and is not pressured. I would document the discussion and the decision. [1]

Short-case viva: culturally safe cardiovascular examination

Examiner instruction

"This patient is a 35-year-old Aboriginal man from a remote community who has been referred with a cardiac murmur. Please examine his cardiovascular system." [1]

Candidate approach

I would begin by acknowledging Country (if I know whose Country I am on), introducing myself and my role, and explaining what I am going to do and why. I would ask permission before touching and offer a chaperone. I would be aware that some patients may have preferences about gender (men's and women's business) and would accommodate these. [1]

I would then perform a systematic cardiovascular examination, looking specifically for the signs of rheumatic valvular disease given the patient's background: mitral facies, elevated JVP, a tapping apex beat (mitral stenosis), a displaced thrusting apex beat (mitral regurgitation or aortic regurgitation), a diastolic thrill at the apex (mitral stenosis), a systolic thrill at the apex (mitral regurgitation), a diastolic thrill at the right second intercostal space (aortic stenosis). I would auscultate systematically — I would listen for the loud first heart sound and opening snap of mitral stenosis, the mid-diastolic rumbling murmur of mitral stenosis heard best at the apex with the bell in the left lateral position, the pansystolic murmur of mitral regurgitation radiating to the axilla, the early diastolic decrescendo murmur of aortic regurgitation heard best at the left sternal edge with the diaphragm in the sitting, leaning forward, breath-held position. I would assess for signs of heart failure (basal crackles, peripheral oedema, elevated JVP, hepatic congestion). [1]

Presentation to examiner

"In this 35-year-old Aboriginal man from a remote community, the cardiovascular examination is significant for a loud first heart sound, an opening snap, and a mid-diastolic rumbling murmur at the apex, consistent with mitral stenosis, almost certainly rheumatic in origin given his background. There are no signs of heart failure at present." [1]

Discussion questions

Examiner: What is the likely aetiology and what is the next step? [1]

The likely aetiology is rheumatic heart disease. In an Aboriginal patient from a remote community, RHD is by far the most likely cause of valvular disease at this age. The next step is echocardiography to confirm the diagnosis, grade the severity, assess for other valve involvement (aortic regurgitation is common), and determine suitability for percutaneous balloon mitral valvuloplasty. I would also confirm his secondary prophylaxis status — is he on benzathine penicillin every 28 days, and is he on the register? [1]

Examiner: What is the prevention pathway for RHD? [1]

Primary prevention is the prompt treatment of Strep A pharyngitis with a single intramuscular dose of benzathine penicillin G or a 10-day course of oral phenoxymethylpenicillin. Secondary prevention is benzathine penicillin G 1.2 million units intramuscularly every 28 days after a confirmed episode of ARF or in established RHD, continued for a minimum of 10 years after the last ARF episode or until age 21 (whichever is longer) for ARF without carditis, longer for ARF with carditis or established RHD. [1]

Examiner: How would you communicate the diagnosis to this patient in a culturally safe way? [1]

I would involve the Aboriginal Health Worker, use plain language, allow time and silence, use the teach-back method, and explain what RHD is, why it happened (the connection between the sore throat in childhood and the valve damage now), what the treatment involves, and why the penicillin injections matter. I would ask about his understanding, his concerns, and his preferences. I would offer to involve his family in the discussion if he wished. I would arrange follow-up through the Aboriginal Medical Service and the specialist outreach team. [1]