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If increased effort is needed to fill the lungs, supraclavicular and infraclavicular retraction may be seen. In infants, sternal retraction occurs with only a slight increase in respiratory effort, the result of the pliability of their chests. Compare intercostal bulging.
Intercostal retractions. 1  Symptom Checker. 2  Intercostal retractions: Causes. 3  Intercostal retractions: Introduction. 4  Intercostal retractions: Add a 2nd Symptom. 5  Intercostal retractions and Skin symptoms (12 causes) 6  Intercostal retractions and Breathing difficulties (11 causes) 7  Intercostal retractions and Nerve symptoms (11 causes)