A Critical Appraisal Nugget about Positive and Negative Predictive Value and their use when interpreting diagnostic tests.
Podcast – Positive and Negative Predictive Values: Critical Appraisal Nugget 11 Read More
Iain and Simon look back at November and early December 2020 on the St Emlyn’s blog. The Christmas round-up covers emerging COVID-19 research, purpura in children, the future of medical conferences and research in emergency medicine.
Podcast – Christmas 2020 Round Up Read More
Simon Carley and Rick Body discuss the strengths and limitations of COVID-19 testing in December 2020. The episode and accompanying links explore PCR, LAMP, rapid testing and lateral flow tests, alongside the FALCON/CONDOR programme evaluating new diagnostics.
Understanding COVID-19 testing with Rick Body. St Emlyn’s Read More
How do diagnostic decisions shape emergency care and hospital admission? This St Emlyn’s Live video and podcast introduces the future of diagnostics, placing the importance of making a diagnosis at the centre of the discussion.
The Future of Diagnostics #stemlynsLIVE Read More
Can the Ottawa subarachnoid haemorrhage rule reduce unnecessary investigation without missing serious disease? This 2017 appraisal examines its prospective validation, patient selection and the tradeoff between sensitivity and specificity. Natalie May considers testing burden, clinician interpretation and why careful documentation of headache onset matters.
JC: Subarachnoid Haemorrhage, Decision Rules & Overtesting Headaches Read More
Why is diagnosis more than a yes-or-no answer? Iain Beardsell and Simon Carley use chest pain to explore how tests move clinical probability, linking sensitivity, specificity and likelihood ratios to decisions about further investigation and treatment in the second part of their diagnostic reasoning series.
Podcast – Diagnosis in Emergency Medicine Part 2 – Beyond a simple yes or no Read More
When clinicians rely on instinct, how do they recognise when their own judgement is becoming less reliable? Iain Beardsell reflects on fatigue, distraction, emotional reactions and time pressure, sharing personal strategies for protecting attention and asking colleagues for support when he is not at his best.
When we are the Diagnostic Test – Gestalt at St Emlyns Read More
How can the same treatment benefit sound dramatic or modest depending on how it is described? This 2014 podcast explores relative and absolute risk reduction, numbers needed to treat and harm, and the use of natural frequencies to explain benefits and harms to patients.
Podcast – Number Needed to Treat (NNT) Read More
