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Using the CASH-75 score can help predict the absence of atypical pathogens (L. pneumophila or M. pneumoniae) as the causative agents of community acquired pneumonia (CAP) in hospitalized patients.

Source
Accuracy of a score predicting the presence of an atypical pathogen in hospitalized patients with moderately severe community-acquired pneumonia. BMC Infect Dis. 2022 May 3;22(1):424. doi: 10.1186/s12879-022-07423-1.

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A single dose of dexamethasone was as effective as two in treatment of mild to moderate pediatric asthma exacerbations in the emergency department.

Source
Single-Dose Dexamethasone Is Not Inferior to 2 Doses in Mild to Moderate Pediatric Asthma Exacerbations in the Emergency Department. Pediatr Emerg Care. 2022 May 3. doi: 10.1097/PEC.0000000000002727. Online ahead of print.

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Among adults with culture-confirmed bacteremic pneumococcal pneumonia, empiric macrolide therapy was associated with 45% reduction in the odds for mortality, regardless of macrolide treatment duration, an effect was not seen with quinolones.

Source
The Effect of Macrolides on Mortality In Bacteremic Pneumococcal Pneumonia: A Retrospective Nationwide Cohort Study, Israel, 2009-2017. Clin Infect Dis. 2022 Apr20;ciac317. Doi: 10.1093/cid/ciac317.

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For patients with COVID-19 enrolled in an at-home monitoring program, utilization of home pulse oximetry did not result in mortality benefit and days out of the hospital in comparison to subjective assessments of dyspnea.

Source
Pulse Oximetry for Monitoring Patients with Covid-19 at Home - A Pragmatic, Randomized Trial. 2022 Apr 6. N Engl J Med. 2022;NEJMc2201541. doi:10.1056/NEJMc2201541. Online ahead of print.

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This is a spoon-feed version on how to manage the worst asthmatic patients. Here are the pearls to manage these life-threatening cases.

Source
Management of Life-Threatening Asthma: Severe Asthma Series. Chest. 2022 Feb 23;S0012-3692(22)00395-6. doi: 10.1016/j.chest.2022.02.029. Online ahead of print.