1. labored breathing; laboured breathing; dyspnea; dyspnoeaMedicine
Wikipedia definition
2. DyspneaDyspnea, shortness of breath (SOB), or air hunger, is the subjective symptom of breathlessness. It is a normal symptom of heavy exertion but becomes pathological if it occurs in unexpected situations. In 85% of cases it is due to either asthma, pneumonia, cardiac ischemia, interstitial lung disease, congestive heart failure, chronic obstructive pulmonary disease, or psychogenic causes. Treatment typically depends on the underlying cause.
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