Otitis externa
The assessment and management of Otitis externa in the Head and Neck Disorders section has been updated.
Updates
CXR gallery update
18 new CXRs have been added to the CXR Gallery page.
3 new ECGs
New ECGs showing atrial flutter with a LBBB and pseudo (or possibly true RV) AIVR have been added. Some additions have been made to the section on AIVR and atrial flutter in the Other Arrhythmias section of the Resuscitation chapter
Cunningham’s shoulder relocation technique
A more detailed explanation of Cunningham’s shoulder relocation technique has been added to the Glenohumeral joint dislocation page in the Bone and Joint Disorders section.
Atrial fibrillation
A variety of updates to the Atrial fibrillation page in the Resuscitation section have been made.
Effect size and approximate sample size calculation
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.
DVT
An anatomical classification of lower limb DVT has been added.
Biliary disease
Updated info regarding formation of gallstones and diagnostic accuracy of US following recently published review.
ST elevation in the presence of LVH
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.
Cardiac axis calculation
New explanation of how to calculate the QRS axis on a 12 lead ECG in the Electrocardiography section.
p wave dispersion in AFib
New section outlining the association between p wave dispersion and the progression to chronic Afib in the Atrial fibrillation section.
Delta gap
A new section and table relating to the use of the Delta gap in metabolic acidosis has been added to the Metabolic acidosis section.
Developmental milestones
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.
True vs false labour
A table outlining the difference in the nature of contractions between true and false labour has been added to the Labour section.
Immature platelet fraction
Information about the immature platelet fraction and how it can help differentiate causes of thrombocytopenia has been added to the Thrombocytopenia section.
Management of pulmonary embolism
Updates information regarding the Geneva method of risk stratification based on clinical features and catheter embolectomy in the Management of PE section
ST/S ratio in diagnosis of AMI in presence of LBBB
Updated information about ST/S ratio and discordant ST elevation and depression and how it may add to the accuracy of the Sgarbossa criteria.
BPV and vestibular neuronitis
Updated Vertigo section, with information on how to differentiate BPV and vestibular neuronitis.
Relationship of K+ to AMI mortality
Updated information regarding the association between hypo and hyperkalaemia and AMI in the Management of ACS section.
Spontaneous bacterial peritonitis
Updated information about the procedure of abdominal paracentesis and the analysis of ascitic fluid.