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Neonatal pneumomediastinum with isolated mitral obstruction.
  1. C L Case,
  2. P Oslizlok,
  3. D Fyfe,
  4. P C Gillette
  1. South Carolina Children's Heart Center, Medical University of South Carolina, Charleston 29425.

    Abstract

    While mediastinal air accumulation in the ventilated newborn is usually a benign entity, tension pneumomediastinum can embarrass both respiratory and cardiac function. A case of isolated left ventricular inflow obstruction caused by a pneumomediastinum in a premature infant is described that resolved with high frequency ventilation. The development of pneumomediastinum and haemodynamic compromise in a premature infant warrants echocardiographic examination.

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