US in shoulder dislocation

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A small section on the role of US in glenohumeral dislocations has been added to the Glenohumeral Dislocations page in the Bone and Joint Disorders section.

Azithromycin and prolonged QTc

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Various sections have been updated following the recent FDA warning regarding the risk of prolonged QTc with azithromycin, despite the weak association and very low risk of harm.

Patient relatives and resuscitation

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A new page called Relatives and Resuscitation has been created in the Assessment and Management of Resuscitation part of the Resuscitation section. This is mostly content moved from the Palliative Care page in the Clinical Skills section in recognition that resuscitation is not always futile!

Abdominal imaging in paediatric trauma

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The latest findings from the PECARN study of abdominal trauma published in Annals of Emergency Medicine have been integrated into a revision of the Evaluation of Abdominal Trauma page in the Trauma section.

Assessment and management of vertigo

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The Vertigo page has been revised and moved to the Neurological Assessment part of the Neurological Disorders section. A small section outlining the indications for neuroimaging in patients with vertigo has been added and other content revised.

HIV prognosis

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Additional information regarding the prognosis of HIV infection has been added to the HIV Infection page in the Infectious Disorders section. It is interesting to note that aggresively treated HIV infection now has a better prognosis than smoking!

Chickling peas cause lathyrism, not chick peas!

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It has been pointed out that it is chickling peas / kesari dal (lathyrus sativus) that causes lathyrism, not chick peas as previously stated. The Drug Induced Seizures page in the Toxicology section has been updated to reflect this.

Dibucaine number

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A low dibucaine number, not a high one, is a measure of increased suxamethonium sensitivity. The Suxamethonium page in the Resuscitation section has been corrected to reflect this

Upright T wave in V1

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A short section outilining the significance of an upright T wave in V1 has been added to the ECG in acute coronary syndromes page in the Cardiovascular disorders section.

Clostridium difficile

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A new section on Clostridium difficile has been added to the Infectious Gastroenteritis page in the Abdominal Pain section.

Upper GI haemorrhage fluid resuscitation strategy

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Updates have been made to the Upper GI Haemorrhage page in the Abdominal Disorders section outlining the need to avoid early, full restoration of blood volume in most patients with upper GI bleeding and to usually only transfuse red cells when the Hb is < 70g/L.

Amniotic fluid embolism

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A new section on Amniotic fluid embolism has been added to the Abnormal Labour page in the Obstetrics and Gynaecology section.

Button batttery ingestion

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The section on Button battery ingestion in the Gastrointestinal Foreign Bodies page in the Abdominal Disorders Section has been updated to reinforce the urgency in removing oesophageal button batteries.

Cardiac MRI and stress echocardiography

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Some additional information about the test characteristics of cardiac MRI and stress echocardiography has been added to the Other Diagnositic Modalities in ACS page in the Cardiovascular Disorders section.