Reviewed and revised 6 January 2016 OVERVIEW This page summaries different indices used to quantify pulmonary oxygenation Measured intrapulmonary shunt is the gold standard test for determining pulmonary oxygen transfer Indices are either tension-based or content-based (aka concentration-based) tension-based indices…
Revised and reviewed 29 March 2017 OVERVIEW The semi-elective intubation of neurocritical care patients requires a modified technique to avoid the harmful consequences of intubation, which include: USE OF THIS APPROACH This approach is suitable for patients with: It is not…
OVERVIEW This page collates resources supporting my presentation on FOAM at the University of Melbourne MD Student Conference 2014, titled ‘Come Join the FOAM Party’. The page will be revised and updated based on discussions and questions asked at the conference.…
Reviewed and revised 21 July 2021 OVERVIEW airway rescue procedure allowing transtracheal oxygenation aka needle cricothyroidotomy INDICATIONS “Can’t Intubate, Can’t Oxygenate” scenario occasionally performed semi-electively if difficult intubation and/or preoxygenation is anticipated CONTRA-INDICATIONS local infection non-identifiable anatomy (e.g. severe obesity), distortion due…
Reviewed and revised 20 November 2016 OVERVIEW APAMT is the Asia Pacific Association of Medical Toxicology: The Asia Pacific Association of Medical Toxicology in an international association established by a group of medical toxicologists in 1989. Its goal is to promote…
This page collates the resources for my talks at the ANZICS New Zealand Regional Meeting in Wellington, 2017.
OVERVIEW Chest pain with ischemic symptoms and haemodynamic compromise can occur acutely due to a spectrum of aortic pathologies known as the acute aortic syndrome the rate of aortic rupture is higher in penetrating atheromatous ulcer (42%) and intramural hematoma…
Pierre Mallet-Guy (1897 - 1995) was a French surgeon. Mallet-Guy sign in patients with chronic pancreatitis (1943)
John Dalrymple (1803-1852) English surgeon and ophthalmologist. Dalrymple sign (1952) relating to Graves disease; dissection and histology of first case of multiple myeloma with Bence Jones (1846)
Karl Stellwag von Carion (1823 – 1904) was an Austrian ophthalmologist. Eponym: Stellwag Sign (1869) in Graves orbitopathy
Dalrymple sign: Widened palpebral tissue (lid retraction) or lid spasm seen in thyrotoxicosis (Graves disease) by John Dalrymple (1852)
von Graefe sign (lid lag sign): Failure of the upper lid to follow a downward movement of the eyeball when the patient changes his or her vision from looking up to looking down. Typically associated with hyperthyroidism and exophthalmos