Curriculum standards

Entrustable Professional Activities

LG 12: Diagnostic decision making

Learning Goal 12

Diagnostic decision making

Select, organise, and interpret investigations

This activity requires the ability to:

  • select, plan, and interpret evidence-based, clinically appropriate investigations
  • prioritise patients receiving investigations (if there is a waiting list)
  • evaluate the anticipated value and potential risks of investigations
  • work in partnership with patients, their families, and/or carers to facilitate choices that are right for them, demonstrating patient-centredness
  • discuss choice of investigations with patients, their families, and/or carers, and obtain informed consent when required
  • provide aftercare / counselling for patients
  • accurately interpret the results and outcomes of investigations
  • effectively communicate the outcome of investigations to patients

Professional practice framework domain

Medical expertise

confident
Ready to perform without supervision

Expected behaviours of a trainee who can routinely perform this activity without needing supervision

The trainee will:

  • carefully choose evidence-based investigations, and frame them as an adjunct to comprehensive clinical assessment
  • recognise the differences between diagnostic and screening investigations
  • recognise the performance of specific investigations that include interpretation of sensitivity, specificity, predictive values, and likelihood ratios in the context of disease prevalence and clinical epidemiology
  • avoid use of low-yield diagnostic strategies that may not benefit patients
  • use the principles of distributive justice when considering equitable resource management
  • consider the risk of potential harm when choosing diagnostic investigations
  • avoid over-investigation and over-diagnosis
  • assess patients’ concerns, and determine the need for specific tests that are likely to address these
  • tailor investigations and management for individual patients’ circumstances in an equitable way
  • prioritise the order and importance when multiple investigations are required
  • recognise and correctly interpret abnormal findings within the clinical context, and act accordingly

direction
Requires some supervision

Possible behaviours of a trainee who needs some supervision to perform this activity

The trainee may:

  • provide rationale for investigations
  • recognise the significance of abnormal test results, and act on these
  • demonstrate awareness on how pre-test probability, sensitivity, specificity, positive and negative predictive values, and likelihood ratios for investigations alter the interpretation of results
  • consider patient factors and comorbidities
  • consider age-specific reference ranges

Communication

confident
Ready to perform without supervision

Expected behaviours of a trainee who can routinely perform this activity without needing supervision

The trainee will:

  • discuss the potential benefits, risks, side effects, cost, and burden of any proposed investigation, and obtain consent before proceeding
  • discuss with patients the rationale and the possibility of false negative / false positive results, as well as incidental findings
  • discuss the option of no investigation, and the risk / benefit of this with patients
  • use clear and simple language, and check that patients understand the terms used
  • use written or visual material or other aids that are accurate and up to date to support discussions with patients
  • offer patients the opportunity to ask further questions, and time to think about decisions
  • identify patients’ concerns and expectations, providing adequate explanation to address these
  • give information that patients may find distressing in a considerate way, using best practice techniques for breaking bad news
  • incorporate appropriate LGBTQIA+ safe language, including gender affirming language
  • discuss the likely timeframe during which investigations will occur, and the plan for communicating results when available
  • discuss results using simple language, and explain how the results might affect future management
  • include sufficient clinical information to accurately convey patient context and the reason for investigation within the investigation request
  • keep relevant healthcare practitioners updated regarding planned investigations and results, including clear communication of who is responsible for reviewing these
  • check quality and accuracy of reports or documentation generated by others and technologies, including artificial intelligence-informed large language models

direction
Requires some supervision

Possible behaviours of a trainee who needs some supervision to perform this activity

The trainee may:

  • discuss the benefits, complications, indications, and risks of investigations with patients before ordering investigations
  • explain the results of investigations to patients
  • arrange investigations, providing accurate and informative referrals, and liaise with other services where appropriate

Quality and safety

confident
Ready to perform without supervision

Expected behaviours of a trainee who can routinely perform this activity without needing supervision

The trainee will:

  • select appropriate investigations using a value-based care framework, such as Choosing Wisely
  • identify adverse outcomes, including false positives, false negatives, and incidental findings, that may result from a proposed investigation, focusing on patients’ individual situations
  • consider strategies to reduce the chance of harm, and employ these if possible / practical
  • recognise iatrogenic harms that may result from diagnostic investigations
  • ensure timely follow-up of investigation results, using recall / reminder systems and other tools if appropriate
  • take full responsibility for reviewing the results of ordered investigations, and hand this responsibility over to a designated colleague if this is not possible

direction
Requires some supervision

Possible behaviours of a trainee who needs some supervision to perform this activity

The trainee may:

  • consider safety aspects of investigations when planning them
  • seek help with interpretation of test results for less common tests or indications or unexpected results

Teaching and learning

confident
Ready to perform without supervision

Expected behaviours of a trainee who can routinely perform this activity without needing supervision

The trainee will:

  • use appropriate guidelines, diagnostic algorithms, evidence sources, and decision support tools
  • participate in clinical and epidemiological studies to improve test ordering strategies for diagnoses and screening

direction
Requires some supervision

Possible behaviours of a trainee who needs some supervision to perform this activity

The trainee may:

  • undertake professional development to maintain currency with investigation guidelines

Research

confident
Ready to perform without supervision

Expected behaviours of a trainee who can routinely perform this activity without needing supervision

The trainee will:

  • ensure appropriate ethics approval is obtained when undertaking investigations as part of clinical research
  • obtain written consent from patients if the investigation is part of a research program

direction
Requires some supervision

Possible behaviours of a trainee who needs some supervision to perform this activity

The trainee may:

  • refer to evidence-based clinical guidelines
  • consult current research on investigations

Cultural safety

confident
Ready to perform without supervision

Expected behaviours of a trainee who can routinely perform this activity without needing supervision

The trainee will:

  • recognise patients’ views and preferences about any proposed investigations, and the adverse outcomes they are most concerned about
  • recognise principles of equity as they pertain to diagnostic decision making, and apply these appropriately to advocate for patients
  • explain the impact of implicit bias on diagnostic decision making, and initiate steps to address it

direction
Requires some supervision

Possible behaviours of a trainee who needs some supervision to perform this activity

The trainee may:

  • consider patients’ cultural and religious backgrounds, attitudes, and beliefs, and how these might influence the acceptability of proposed investigations

Ethics and professional behaviour

confident
Ready to perform without supervision

Expected behaviours of a trainee who can routinely perform this activity without needing supervision

The trainee will:

  • remain within the scope of the authority given by patients (with the exception of emergencies)
  • clarify who will make decisions on patients’ behalf if they are unable to do so
  • respect patients’ decisions to refuse investigations, even if their decisions may not be appropriate or evidence based
  • advise patients if there may be additional costs, which they may wish to clarify before proceeding
  • obtain written informed consent when indicated, and informal informed consent at all other times, before planning investigations
  • demonstrate awareness of complex issues related to genetic information obtained from investigations, and subsequent disclosure of such information

direction
Requires some supervision

Possible behaviours of a trainee who needs some supervision to perform this activity

The trainee may:

  • identify appropriate proxy decision makers when required
  • choose not to investigate in situations where it is not appropriate for ethical reasons
  • practise within current ethical and professional frameworks
  • practise within own limits, and seek help when needed
  • involve patients in decision making regarding investigations, obtaining the appropriate informed consent, including financial consent, if necessary

Judgement and decision making

confident
Ready to perform without supervision

Expected behaviours of a trainee who can routinely perform this activity without needing supervision

The trainee will:

  • evaluate the costs, benefits, and potential risks of each investigation in a clinical situation
  • adjust the investigative path depending on test results received
  • consider whether patients’ conditions may get worse or better if no tests are selected
  • avoid using investigations where the results are unlikely to change clinical management
  • demonstrate how the range of certainty around the accuracy of diagnostic tests and the efficacy of treatments may limit their applicability in clinical practice

direction
Requires some supervision

Possible behaviours of a trainee who needs some supervision to perform this activity

The trainee may:

  • choose the most appropriate investigation for clinical scenarios in discussion with patients
  • recognise personal limitations and seek help in an appropriate way when required

Leadership, management, and teamwork

confident
Ready to perform without supervision

Expected behaviours of a trainee who can routinely perform this activity without needing supervision

The trainee will:

  • consider the role other members of the healthcare team might play, and what other sources of information and support are available
  • ensure clear delegation of tasks within the team, including responsibility for following up test results
  • where an investigation is time critical, ensure this is understood by the team, including an expectation of timeframe and urgency of results
  • liaise with other involved healthcare professionals for expert advice when indicated

direction
Requires some supervision

Possible behaviours of a trainee who needs some supervision to perform this activity

The trainee may:

  • demonstrate awareness of what parts of an investigation are provided by different doctors or health professionals

Health policy, systems, and advocacy

confident
Ready to perform without supervision

Expected behaviours of a trainee who can routinely perform this activity without needing supervision

The trainee will:

  • select and justify investigations based on the likely pathological basis of disease, appropriateness, utility, safety, and cost effectiveness
  • consider resource use through peer review of testing behaviours
  • actively support transfer of patients across health services as required to progress further investigation and management
  • support health policy and system development to improve equitable patient access to investigations
  • recognise and address equity barriers that impact the diagnostic decision-making process, and legal frameworks to counter these
  • be familiar with institutional support frameworks and options when advocating for patients or disadvantaged populations