Specialist Haematology —
Training activity: 9

Details

Analyse and interpret testing to investigate a potential platelet disorder or antiplatelet therapy

Type

Developmental training activity (DTA)

Evidence requirements

Evidence the activity has been undertaken by the trainee​.

Reflection on the activity at one or more time points after the event including learning from the activity and/or areas of the trainees practice for development.

An action plan to implement learning and/or to address skills or knowledge gaps identified.

Reflective practice guidance

The guidance below is provided to support reflection at different time points, providing you with questions to aid you to reflect for this training activity. They are provided for guidance and should not be considered as a mandatory checklist. Trainees should not be expected to provide answers to each of the guidance questions listed.

Before action

What are the intended outcomes of the training activity?

• How will you focus your attention on identifying appropriate investigations, interpreting results within a clinical context, and performing quality assurance for platelet-related haemostasis?
• What foundational knowledge do you need regarding platelet physiology, hereditary vs. acquired disorders, and the pharmacology of antiplatelet drugs before you begin the analysis?
• How will this activity help you define success in providing a clear interpretive report that differentiates between a pathological disorder and a drug effect?

What do you anticipate you will learn from the experience?

• What specific insights do you hope to gain regarding the selection of laboratory investigations, such as when to use PFA-100 versus platelet aggregometry?
• Based on what you already know about primary haemostasis, what new understanding do you expect to gain regarding the interpretation of complex results that may be influenced by multiple variables?
• How do you anticipate this experience will improve your ability to draw conclusions about assay performance when applying quality control tasks to specialised platelet testing?
• In what ways will this activity prepare you for the high-level analytical responsibilities required for your future role as a Healthcare Scientist in a specialist haematology setting?

What actions will you take in preparation for the experience?

• How will you discuss the specific testing algorithms and interpretation protocols with your Training Officer to ensure your approach aligns with laboratory Standard Operating Procedures (SOPs)?
• What possible challenges have you identified—such as the impact of pre-analytical variables (e.g., sample handling or patient diet) or conflicting assay results—and how do you plan to handle them?
• Which clinical guidelines (e.g., BSH guidelines for platelet function testing) will you gather beforehand to ensure your interpretations are robust and evidence-based?
• How do you feel about embarking on this training activity, and how will acknowledging feelings like curiosity or anxiety help you focus on the technical precision required for these investigations?

In action

What are you doing?

• As you approach the activity, which specific tests are you choosing to perform based on the provided clinical information (e.g., PFA-100, platelet aggregometry), and what is the rationale for your choice in this moment?
• What decisions are you making as the laboratory activity progresses, particularly regarding the sequence of agonists used in aggregation studies?
• What aspects of your practice currently feel intuitive, such as identifying normal versus abnormal traces, and what requires more conscious effort, such as the precise technical handling of samples for platelet function testing?
• Are you paying close attention to your actions to ensure you are correctly identifying investigations for primary haemostasis?

How are you progressing with the activity?

• How effective are your current actions in achieving the investigation’s goals, and are you noting any unusual findings that support or contradict the initial clinical suspicion of a platelet disorder?
• What challenges are you facing, such as technical issues with the platelet function analyser or other relevant equipment, and how are you addressing these in real-time?
• What can you learn from the data as it unfolds—for example, does the pattern of inhibition suggest a specific antiplatelet therapy effect rather than an inherited defect?
• How does this practical task connect to your existing knowledge of the scientific basis of primary bleeding disorders and the principles of analytical procedures?

How are you adapting to the situation?

• Are you adjusting your approach to further testing based on immediate observations, such as selecting alternative agonists to clarify a borderline result?
• Are you considering the limitations of the tests you are performing in the context of the clinical picture as the activity progresses?
• What support or guidance might you need in this moment, perhaps from a senior scientist, to ensure your interpretation?
• Are you ensuring that all real-time decisions, including quality control tasks, remain strictly within your defined scope of practice?
• How are you adapting your reporting strategy to ensure the results are communicated clearly and accurately to the clinical team?

On action

What did you notice?

• How would you summarise the key steps taken to analyse the patient’s primary haemostasis, specifically regarding the selection of platelet count, morphology, and functional assays?
• What were the specific results obtained for each test, and how did they compare to established reference intervals or expected therapeutic ranges?
• If the patient was on antiplatelet therapy, how did the results reflect the expected pharmacological effects of the medication?
• Were there any discrepancies or unexpected findings between the different testing modalities (e.g., normal morphology but abnormal function), and how did you document these?
• What were the internal quality control (IQC) results for the specialised assays, and were they within acceptable limits before you proceeded with the interpretation?

What did you learn from the activity?

• What new knowledge did you develop regarding the different laboratory tests available to assess platelet function and diagnose primary haemostasis disorders?
• How has your ability to identify appropriate investigations improved when faced with a clinical history of easy bruising or suspected drug interference?
• What are the limitations of the different platelet function assays used (e.g., PFA-100, aggregometry), and how do these limitations affect your diagnostic confidence?
• In what ways did your reflection-in-action—the decisions you made while observing the progress of the assays—influence the final interpretation of the case?
• How does this experience prepare you for the high-level interpretive and reporting responsibilities required for post-programme practice as a Clinical Scientist?

What will you take from the experience moving forward?

• What specific areas for continued development have been identified, such as a need to better understand the mechanisms of specific antiplatelet drugs or the genetic basis of platelet disorders?
• How will you apply the learning from this activity to your routine practice, particularly when selecting tests based on a patient’s unique clinical presentation?
• How will you ensure that you continue to interpret results in the correct clinical context, integrating laboratory data with the patient’s clinical and medication history?
• What ‘next steps’ will you take to support your learning, such as reviewing BSH guidelines or local standard operating procedures (SOPs) for investigating platelet disorders?
• What support or resources, such as specialist mentoring or attendance at a haemostasis multidisciplinary team (MDT) meeting, would further enhance your expertise in this area?

Beyond action

Have you revisited the experiences?

• Since completing this activity, have you had further opportunities to perform tests for platelet disorders or antiplatelet therapy, and were the findings consistent with your previous experience?
• Have you reviewed your reflect-on-action notes for this training activity to determine if your understanding of platelet function testing has evolved as you gained more experience?
• Can you recall specific clinical scenarios where the results of these platelet function tests were crucial for the patient’s diagnosis or management?
• Have you engaged in professional storytelling by discussing the interpretation of these tests with clinicians or senior laboratory staff to enhance your understanding?
• When reviewing this training activity as part of a broader review of the S-HT-S2 module, what new learning or actions can you identify to enhance your practice?

How have these experiences impacted upon your current practice?

• How has this training activity enhanced your knowledge of the different laboratory tests used to assess platelet function and the specific impact of various antiplatelet agents?
• Do you now have a better appreciation for the complexities of platelet disorders and the technical challenges involved in their laboratory investigation?
• In what ways has this experience influenced your interpretation of full blood counts and coagulation screens when you suspect potential platelet dysfunction?
• How has the learning from this activity supported your preparation for observed ‘in-person’ assessments, such as the DOPS for ‘investigating a patient with unexplained bleeding’ or the OCE for ‘communicating the risk of bleeding to a surgical team’?
• Are the analytical and interpretative skills you developed through this training activity being applied to other areas of your haematological testing and reporting?

How might these experiences contribute towards your future practice?

• How will your experience in investigating platelet disorders and therapy prepare you for managing complex haemostasis cases in your future career?
• Will your ability to accurately perform and interpret these tests contribute to effective patient diagnosis and management of platelet-related issues?
• What transferable skills (e.g., critical data analysis or communicating complex results) are you developing through these activities that will be essential in a specialist role?
• Based on these reflections, what are your clear actions for continued development in specialised areas such as haemostasis and thrombosis?

Relevant learning outcomes

#	Outcome
# 1	Outcome Identify appropriate clinical and laboratory investigations for the investigation of haemostasis.
# 2	Outcome Interpret and report results of investigations of haemostasis in the correct clinical context.
# 7	Outcome Perform quality assurance and control tasks across the range of investigations.