Tasman Medical Journal

ISSN: 2652-1881



A new open-access general medical journal for Australia and New Zealand

A new open-access general medical journal for Australia and New Zealand


Recent Articles

Healthcare worker safety of high-flow nasal oxygen and non-invasive ventilation use in COVID-19 patients: a systematic review and meta-analysis

INTRODUCTION High-flow nasal oxygen (HFNO) and non-invasive ventilation (NIV) may reduce the requirement for invasive ventilation in selected patients with respiratory failure.  However, there is concern that, when used in the treatment of coronavirus disease 2019 (COVID-19), both modalities may increase the risk of transmission to healthcare workers (HCW) through small droplet aerosol generation.  Small droplet aerosols have the potential to remain airborne for extended periods of time, follow air currents within the room, and penetrate deep into the airways,

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Modelling community spread of Covid-19 without complex mathematics

Sophisticated mathematical modeling of epidemic or pandemic spread of infections is based on differential equations containing exponential functions. The sophistication of these models is essential but they have a disadvantage of being difficult or impossible to be understood by readers unfamiliar with advanced mathematics. I have developed a spreadsheet model to estimate infection rates and mortality with Covid-19 as a function of time using only a few simple assumptions.

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