Updates

A variety of updates to the Atrial fibrillation page in the Resuscitation section have been made.

A new section about effect size and approximation of appropriate sample size has been added to the Statistical power page in the Research Skills section.

An anatomical classification of lower limb DVT has been added.

Updated info regarding formation of gallstones and diagnostic accuracy of US following recently published review.

New information about how to differentiate ST elevation in LVH and STEMI from the recently published study in JACC added to the ECG in ACS section.

New explanation of how to calculate the QRS axis on a 12 lead ECG in the Electrocardiography section.

New section outlining the association between p wave dispersion and the progression to chronic Afib in the Atrial fibrillation section.

A new section and table relating to the use of the Delta gap in metabolic acidosis has been added to the Metabolic acidosis section.

A more detailed table of developmental milestones for children has been added as a new page link from “Developmental milestones” in the Assessment of Children section.

A table outlining the difference in the nature of contractions between true and false labour has been added to the Labour section.

Information about the immature platelet fraction and how it can help differentiate causes of thrombocytopenia has been added to the Thrombocytopenia section.

Updates information regarding the Geneva method of risk stratification based on clinical features and catheter embolectomy in the Management of PE section

Updated information about ST/S ratio and discordant ST elevation and depression and how it may add to the accuracy of the Sgarbossa criteria.

Updated Vertigo section, with information on how to differentiate BPV and vestibular neuronitis.

Updated information regarding the association between hypo and hyperkalaemia and AMI in the Management of ACS section.

Updated information about the procedure of abdominal paracentesis and the analysis of ascitic fluid.

Updated details in the Bowel Obstruction section mostly regarding the radiological features of each of them

Updated information regarding variations in metabolism of codeine in the Opioid Toxicity section of the Toxicology chapter.

Updated section on “Coronary Artery Disease’ following recent release of the 3rd universal definition of an MI in Circulation.

Updated sections with new evidence from an RCT of IABP published recently in Journal of Intensive Care Medicine that did not show any overall mortality benefit from IABP. Patients < 50 years of age did have better outcomes however the power of the study was inadequate to indicate if this is a real difference.