The significance of dry cough, breathlessness and muscle weakness
Paintal, A.S. (1986) The significance of dry cough, breathlessness and muscle weakness. Indian Journal of Tuberculosis, 33 (2). pp. 51-55.
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In conclusion, the symptoms of dry cough, breathlessness and muscle weakness have now acquired special significance in view of the fact that all three can be produced by J receptors and they can, therefore, be used as indices of interstitial oedema. Further, one might be able to use the combination of symptoms in order to differentiate between certain pathophysiological conditions involving the upper airways from pathophysiological conditions at the alveolar level. For example, the dry cough arising exclusively from the throat or the trachea would not be accompanied by obvious breathlessness on exertion and muscle weakness, where- as either or both would feature in conditions involving the alveolar interstitium. Again, in patients with left ventricular or congestive heart failure the appearance of dry cough could serve as a guide to the onset of interstitial oedema.
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