Academic emergency medicine : official journal of the Society for Academic Emergency Medicine
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Echocardiography is a fundamental tool in the diagnosis of acute left ventricular heart failure (aLVHF). However, a consultative exam is not routinely available in every emergency department (ED). The authors investigated the diagnostic performance of emergency Doppler echocardiography (EDecho) performed by emergency physicians (EPs) for the diagnosis of aLVHF in patients with acute dyspnea. ⋯ EDecho, particularly pulsed Doppler analysis of mitral inflow, is a rapid and accurate diagnostic tool in the evaluation of patients with acute dyspnea.
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This study sought to investigate the minimal laryngoscope illumination required for proper laryngoscopy and intubation in different ambient light settings as determined by paramedics. ⋯ Minimal illumination requirements in the out-of-hospital setting may be lower than previously recommended. Ambient light intensity affects this minimal illumination requirement, with brighter ambient light conditions necessitating more laryngoscope light output. Further studies assessing out-of-hospital laryngoscope illumination should consider ambient light conditions.
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Sex disparities in the diagnosis and treatment of chest pain or suspected angina have been demonstrated in multiple clinical settings. Out-of-hospital (OOH) care for chest pain is protocol-driven and may be less likely to demonstrate differences between men and women. ⋯ For OOH patients with chest pain, sex disparities in treatment are significant and do not appear to be explained by differences in patient age, race, or underlying cardiac risk.
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Review Meta Analysis
Does the early administration of beta-blockers improve the in-hospital mortality rate of patients admitted with acute coronary syndrome?
Beta-blockade is currently recommended in the early management of patients with acute coronary syndromes (ACS). This was a systematic review of the medical literature to determine if early beta-blockade improves the outcome of patients with ACS. ⋯ This systematic review failed to demonstrate a convincing in-hospital mortality benefit for using beta-blockers early in the course of patients with an acute or suspected MI.
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Review Comparative Study
Sensitivity of bedside ultrasound and supine anteroposterior chest radiographs for the identification of pneumothorax after blunt trauma.
Supine anteroposterior (AP) chest radiographs in patients with blunt trauma have poor sensitivity for the identification of pneumothorax. Ultrasound (US) has been proposed as an alternative screening test for pneumothorax in this population. The authors conducted an evidence-based review of the medical literature to compare sensitivity of bedside US and AP chest radiographs in identifying pneumothorax after blunt trauma. ⋯ This evidence-based review suggests that bedside thoracic US is a more sensitive screening test than supine AP chest radiography for the detection of pneumothorax in adult patients with blunt chest trauma.