medical Definition of cholecystokinin : a hormone secreted especially by the duodenal mucosa that regulates the emptying of the gallbladder and secretion of enzymes by the pancreas and that has been found in the brain â called also cholecystokinin-pancreozymin, pancreozymin
One of the best ways of controlling COPD is by inhaling COPD medicine. To do this, some use an inhaler with a spacer, some use a nebulizer, and some use both.
A bronchodilator challenge test may help distinguish between the two diseases. Some patients with COPD experience limited and temporary improvement in FEV1 30 - 45 minutes after inhaling medication from a metered dose inhaler. However, their airflow remains poor.