Chest
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Observational Study
The Search for Optimal Oxygen Saturation Targets in Critically Ill Patients: Observational Data from Large ICU Databases.
Although low oxygen saturations are generally regarded as deleterious, recent studies in ICU patients have shown that a liberal oxygen strategy increases mortality. However, the optimal oxygen saturation target remains unclear. The goal of this study was to determine the optimal range by using real-world data. ⋯ The optimal range of Spo2 was 94% to 98% and should inform future trials of oxygen therapy.
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An 80-year-old-woman was referred for evaluation of chest pain that appeared after providing care at home for her sick husband, which included helping him to get up and move about. The pain was initially triggered by lifting heavy objects but then became constant, without exacerbating or relieving factors. The pain was located in the left hemithorax and was not associated with shortness of breath or cough. ⋯ She had a medical history of type 2 diabetes, ischemic cardiomyopathy, and renal artery stenosis. Her father died of lung cancer. She resided in Lille, France, and did not report any recent travel.