Metamyelocytes in peripheral blood
The Blood film page has had a minor revision, including information about when metamyelocytes might be seen in peripheral blood.
July 2018 update quiz
The July 2018 update quiz has just been published.
TB isolation precautions
The Tuberculosis page has been updated with additional information about the infection control measures required.
Electrical alternans
The Pericardial tamponade page has been updated with a new ECG demonstrating electrical alternans.
Transaminases
The Liver function tests page has been revised, particularly in relation to abnormalities of the transaminases.
iOS users – we need your help
If your are an iOS user – we need your help. With the release of Version 3 of the online manual and upgrades to Version 1, we would really like to know how they are going on all the various iOS devices out there. We have had some positive feedback from a few users (especially about … Read more
Clinical uselessness of most blood gas calculations
Various pages relating to blood gas analysis have been updated to indicate the almost complete clinical uselessness of most of the calculations performed on blood gases. Many of the calculations produce highly inaccurate results and do not alter management (e.g. if someone has incomplete respiratory compensation for their metabolic acidosis, what do you do – … Read more
Faecal blood testing
The Upper gastrointestinal haemorrhage page has been updated to reflect the lack of utility of this test in the diagnosis of significant GI haemorrhage in the ED.
Haldane effect and CO2 retention in COPD
The Management of COPD page has been updated with the addition of the Haldane effect as a cause for CO2 retention in COPD and the removal of reduction of hypoxic drive of ventilation. Thanks to Farzad for the suggestion.
Anticoagulation for AF
The Stroke prevention in atrial fibrillation page has been updated including some minor modifications regarding anticoagulation (and timing of) prior to cardioversion.
Femoral fractures
The Femoral fractures page has been updated including some minor changes regarding physical examination, resizing of images and fixing missing images.
Non disappearing images and figures
A number of images and figures that were not being hidden when the Hide images filter is applied (Versions 1 and 3 only) have been identified and fixed. They should now disappear whenever the appropriate filter is applied.
Muscle relaxant poll result
The muscle relaxant poll has now closed with about twice as many people choosing rocuronium over suxamethonium as their preferred agent. When we ran this poll in 2013 the results were almost exactly the opposite (2/3 of people preferred suxamethonium).
Pupillary responses post ROSC and outcome
The Post arrest care page has been updated with information about the outcome following ROSC of patients without pupillary reflexes.
Blood group O and haemorrhage
The Complications of blood transfusion page has been updated with information about how blood group O is associated with a higher risk of haemorrhage and a lower risk of thrombosis than other blood group types. Perhaps we should be considering this when deciding on therapies such as thrombolysis and treatment of low risk thrombosis?
Displaced Dens fracture image
A plain film showing a markedly displaced Dens fracture has been added to the Cervical spine fractures page.
Tethered pneumothorax CXR
An Xray image of a tethered pneumothorax has been added to the Assessment of pneumothorax page.
de Winter pattern ECG
The ECG in ACS page has been updated with an ECG of de Winter pattern changes of a proximal LAD occlusion.
RBBB and LPHB ECG
An ECG of RBBB and LPHB has been added to the Disorders of cardiac conduction page.
Supracondylar humeral fracture Xray
An Xray image of a supracondylar fracture has been added to the Elbow injuries page.