Bob Dunn

The Serotonin toxicity page has been updated following the most recent BMJ article on the subject and now includes more explicit explanation of the Hunter diagnostic criteria.

The Osmolality page has been updated with an improved description of the difference between total osmolality and effective osmolality (tonicity).

The Hyponatraemia page has been extensively updated following the recently released European clinical practice guidelines on the assessment and management of hyponatraemia. There have been changes to the SIAD (previously known as SIADH) segment, definitions of acute vs chronic hyponatraemia and new recommendations for the use of 3% saline – and a whole lot more!

A number of updates have been made to the Pacemakers page including the things you should know about in a patient with a pacemaker and additional information about the actions of pacemaker magnets.

The Magnetic resonance imaging page has been updated with information regarding the types of MRIs that GPs can now order in Australia.

The DIsseminated intravascular coagulation page has been updated with the International Society for Haemostasis and Thrombosis DIC scoring scale.

A small segment outlining the cardiorespiratory changes that occur during labour has been added to the Labour & delivery page

The Subarachnoid haemorrhage page has been updated with information regarding the superiority of conservative management of asymptomatic AVMs.

The Chest wall injuries and Mediastinal injuries pages have been revised to emphasise the lack of clinical significance associated with ECG or troponin changes in haemodynamically stable patients and the lack of delayed sequelae associated with the diagnosis of cardiac contusion in this group.

A small segment on Valsalva retinopathy has been added to the Sudden visual loss page.

Following a recent study published in the NEJM, the risk of thrombotic events appears to be increased for up to 12 weeks post partum, not for only 6 weeks as previously thought. Various pages including the Thrombophilia page have been updated as a result.

The Digital amputations page has been revised and updated following a BMJ review of the subject published today.

Predictors of cardiac arrhythmias and poor prognosis in paediatric patients with myocarditis have been added to the Acute myocarditis page.

The Non ACS causes of elevated troponin page has been updated with information about atrial fibrillation.