Exam Material

How much should a test result change our estimate of disease probability? Rick and Greg explain likelihood ratios, using clinical examples to connect pre-test and post-test probability and explore how this approach can inform diagnostic decisions.

The March 2019 podcast round-up looks back across the St Emlyn’s blog. Its linked reading ranges from adult congenital heart disease and selected trauma papers to responsible overseas volunteering, the interpretation of p-values and reports from the SMACC conference.

Gareth reflects on preparing a CESR application after taking a non-standard route through emergency medicine training. This 2018 account explores gathering evidence, documenting competence and navigating portfolio requirements, with Natalie May adding her experience of specialist recognition in Australia.

Distinguishing peripheral dizziness from posterior circulation stroke can be difficult in the emergency department. This 2018 review discusses bedside assessment, including nystagmus, HINTS, neurological examination and gait. It emphasises the knowledge and practice needed to use these techniques, rather than offering a simple discharge rule.

A useful travel history goes beyond asking where someone has been. This guide explores itinerary, symptom timing, immunisations, prophylaxis and possible exposures, showing how the details can inform assessment of imported infection and conversations with infectious disease colleagues.

Synthetic cannabinoids can produce unpredictable and severe presentations in the emergency department. This 2017 overview explains their pharmacology, varied effects and uncertain composition, then discusses the difficulties of recognition and management and the role of specialist poisons advice.