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We report, a term newborn infant with congenital vocal cord paralysis and congenital viral myocarditis. In her five days of life she developed a pneumomediastinum, pneumopericardium, subcutaneous emphysema, and terminally a pneumothorax and systemic air embolus. This unusual case is used to develop a concept of the pathogenesis of extraventilatory air, and is also represented in diagrammatic form.
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Zane A. Brown (1977) studied this question.
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