Chest
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To compare the concentration of a rescuer's exhaled O2 and CO2 during mouth-to-mouth ventilation with or without chest compression. ⋯ The gas given by mouth-to-mouth ventilation is a hypercarbic and hypoxic mixture compared with room air. Mouth-to-mouth ventilation is the only circumstance in which a hypercarbic and hypoxic gas is given as therapy. Further laboratory and clinical studies are necessary to determine the effect of mouth-to-mouth ventilation during CPR.
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Case Reports
Pneumomediastinum and bilateral pneumothoraces in a patient with hyperemesis gravidarum.
Hyperemesis gravidarum (HG) is a severe form of the more common nausea of early pregnancy. We report an unusual case of pneumomediastinum and bilatetral pneumothoraces presenting in the tenth week of pregnancy complicating HG.