Furthermore, the inspiratory capacity (IC) has been shown to be more closely related to exercise tolerance and dyspnea than the FEV1, because dynamic hyperinflation is the main cause of shortness of breath in patients with COPD
Furthermore, the inspiratory capacity (IC) has been shown to bemore closely related to exercise tolerance and dyspnea than the FEV1, because dynamic hyperinflation is the maincause of shortness of breath in patients with COPD