Respiratory muscle function in breathlessness
This chapter discusses the function of respiratory muscles and their interaction with the respiratory system in health and disease. Dyspnoea generally occurs when the load on the respiratory muscle pump exceeds its capacity. It also occurs when respiratory muscle weakness, abnormalities in the respiratory muscle control, and irregularities in the skeletal muscle occur. The chapter begins with a discussion on the respiratory muscle in healthy individuals and then examines its contribution to breathlessness in disease. Respiratory muscle functions that may contribute to breathlessness include respiratory muscle weakness, respiratory movement disorder, COPD, and chronic heart failure (CHF). The chapter also provides a brief discussion on respiratory muscle function in cancer patients.
Keywords: function, respiratory muscle, respiratory system, respiratory muscle pump, respiratory muscle weakness, abnormalities, skeletal muscle, respiratory muscle functions, respiratory movement disorder, chronic heart failure
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