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This study is the first public description of patients attending private EDs in Australia. Private EDs have a significant role to play in acute medical care and in providing access to private hospitals which could alleviate pressure on public EDs. This study demonstrates the need for consolidated data based on a consistent data set and data dictionary to enable system-wide analysis, benchmarking and evaluation.

Acute urinary retention (AUR) is a common presentation to emergency departments. This article updates the reader on the appropriate management, investigations and guidelines for AUR. It looks at the mechanism of normal micturition and describes the theories of AUR. It outlines urethral catheterization techniques for difficult cases, reviews suprapubic catheterization procedures and describes the management of AUR in polytrauma. Although emergency management is by bladder drainage, key points in the history and examination may expose significant, latent pathologies.

Early video head impulse testing in the emergency department and each day of admission is feasible and well tolerated. There is marked variation in VOR gain in patients with symptoms and signs of VN, and low initial VOR gains are a predictor for low VOR gains on subsequent days. Improvement in VOR gains was seen in most patients.

Objective: To externally validate a chest pain protocol that triages low risk patients with chest pain to an unmonitored bed. Methods: Retrospective study of all patients admitted from the emergency department of a tertiary referral public teaching hospital with an admission diagnosis of ‘unstable angina’ or suspected ischemic chest pain. Data was collected on adverse outcomes and analysed on the basis of intention‐to‐treat according to the chest pain protocol. Results: There were no life‐threatening arrhythmias, cardiac arrests or deaths within the first 72 h of admission in the group assigned to an unmonitored bed by the chest pain protocol ([0/244]; 0.0%: 95% confidence interval 0.0–1.5%). Four patients had an uncomplicated myocardial infarction, two patients had recurrent ischemic chest pain and one patient developed acute pulmonary oedema ([7/244]; 2.9%: 95% confidence interval 1.2–5.8%). Conclusion: This retrospective study externally validated the chest pain protocol. Care in a monitored bed would not have altered outcomes for patients triaged to an unmonitored bed by the chest pain protocol. Compared to current guidelines, application of the chest pain protocol could increase the availability of monitored beds.

Based on temperature measurement only, the NexTemp thermometer can be used interchangeably with current mercury and tympanic thermometers.

Objective: To identify risk factors for thunderstorm asthma (TA) in subjects ≥15 years of age from information available in routine clinical records. Methods: Retrospective and hospital-based case-control study of various clinical factors in all TA cases (n = 53) who presented to a single-site ED in November 2016 (TA16) and in a control group of patients (n = 156) who presented to the same ED with asthma during the pollen season over eight non-TA years. Bivariate analysis and multivariable logistic regression modelling was performed to calculate the odds of TA asthma in the presence of potential risk factors. Results: A logistic regression model revealed that the odds of TA were lower for age (odds ratio [OR] 0.97, 95% confidence interval [CI] 0.95-0.99), higher for Asian country of birth (OR 4.09, 95% CI 1.40-11.95) and higher for oral beta-blocker use (OR 6.43, 95% CI 1.58-26.33) compared to controls. No difference was found between TA16 cases and controls for allergies (to medication, grass pollen, animal), hayfever, smoking, oral non-steroidal anti-inflammatory drugs, or aspirin. Newly diagnosed asthma was higher in TA16 cases versus controls (32.1% vs 12.2%, P = 0.001). Conclusions:Oral beta-blocker medications, younger age and Asianborn heritage are risk factors for TA. Further study is required to explore the potential association between beta-blockers and TA. Key findings• Oral beta-blockers, age, Asianborn heritage are independent risk factors for thunderstorm asthma. • Non-steroidal anti-inflammatory drugs and aspirin are not risk factors for thunderstorm asthma.