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Clinical Case 107: Subarach Sans Scan

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This case is inspired by a Twitter conversation started by Dr Brent May ( @DocBrent ) – he is an Anaesthetist and motorsport doc in Australia. Brent asked the simple question: “SAH Q – no CT available. What is the “usefulness” of RBC count on LP? Lab “unable to do xanthochromia”.  This is a real […]

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Relative Absolute Risk – the discussion

yaz ad

This is a follow up discussion on the recent post on risk – its two flavours being “relative” and “absolute”. This is a quick look at the basics of describing risk and how it can lead one astray! Lets start by looking at how “relative risk” can be used to sell stuff – newspapers, health […]

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Clinical Case 106: The mysterious Pink Lady

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Time for another quick clinical case Your next patient is Joan – a semi-regular attender to your family practice. Joan is a 67 yo woman who is usually reasonably well.  She works as a book keeper in a small business. She has been troubled by some gastro-oesophaeal reflux symptoms over the last few years and […]

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Relative Absolute Risk

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Gday!  This post is inspired by a few things: A. Dr Andre Bonney (@keeweedoc) who tweeted earlier this week –  B. This article that came out in the Lancet August 16th 2014 on Blood pressure-lowering treatment based on cardiovascular risk: a meta-analysis of individual patient data The bottom line is: “Lowering blood pressure provides similar relative […]

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Risk and Uncertainty – part 1

Gerd Gigerenzer

Gday. It has been a quite month on the blog as I have started paternity leave and have been redressing the work-life balance scales – very much in the family direction. Not doing any clinical work has given me time to pause and ponder a few of the more abstract ideas that we often brush […]