Encephalitis
The Encephalitis page has been updated, including some minor changes to its epidemiology.
Updates
Appendicitis
A number of improvements in wording and formatting on the Appendicitis page have been made.
More about MAC values
The Inhalational anaesthetic agents page has been updated with some additional information about MAC values.
Erythema multiforme, SJS/TEN
The Blistering skin rashes page has had a major overhaul in the areas of EM, SJS/TEN.
Bristol stool chart
The Assessment of abdominal pain page has been updated with the addition of the Bristol stool chart used to describe stool type.
Serum lactate and Hartmann’s administration
The Metabolic acidosis page has been updated with some additional information about how large volumes of Hartmann’s solution may contribute to lactic acidosis. Zitek, T, Skaggs, ZD, Rahbar, A, et al. Does Intravenous Lactated Ringer’s Solution Raise Serum Lactate? J Emerg Med 2018
Lactic acidosis
The Metabolic acidosis page has been updated with some additional causes of lactic acidosis.
Enhanced peritoneal stripe sign
The US of the bowel page has been updated with additional information about the enhanced peritoneal stripe sign of pneumoperitoneum.
ECG changes of RV infarction
The ECG in ACS page has been updated with some additional information about ECG changes in RV infarction, as well as some improved formatting.
Patterns of LFT abnormality table
The table of patterns of LFT abnormality on the Liver function tests page has been extensively revised and updated.
AST/ALT ratio and LDH
The Liver function tests page has been updated with some additional information about the AST/ALT ratio and causes of LDH elevation.
SAAG and protein content
The Ascites page has had a few minor updates, including making it clearer that high SAAG means low ascitic fluid protein content and vice versa.
SBP organisms
The Spontaneous bacterial peritonitis page has had a few other modifications, including a table of the most commonly responsible organisms.
Causes of free gas
The Assessment of abdominal pain page has been updated, including the addition of a segment on the causes and features of free intraperitoneal gas.
Cellulitis
The Cellulitis page has been updated, including more information about oral antibiotic treatment and features that suggest necrotising fasciitis.
Necrotising fasciitis
The Gas gangrene & necrotising fasciitis page has been updated, including more information about features that differentiate it from simple cellulitis.
Effects of isolation precautions
The Infection control page has been revised, including the addition of a short segment on the impact of isolation precautions.
Massive haemoptysis
The Haemoptysis page has been extensively revised and updated, with particular reference to the management of massive haemoptysis.
Pneumocranium
A new segment on Pneumocranium has been added to the Complications of head trauma page.
High TB prevalence countries
The Tuberculosis page has been updated with additional information about countries with the highest prevalence of TB.