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Intercostal retractions occur when the muscles between the ribs pull inward. The movement is most often a sign that the person has a breathing problem. Intercostal retractions are a medical emergency.
Jaundice in adults. Jaundice in adults can be caused by a variety of medical conditions, some of which are serious and potentially life-threatening. Any adult who develops jaundice needs to undergo a comprehensive medical evaluation in order to determine its cause.