eRT Remote Health Monitoring

Inclusion Criteria: * Age \>40 years. * Clinical diagnosis of moderate to severe COPD in accordance with the definition of the American Thoracic Society (ATS).9 * Smoking history \>10 pack-years. * Postbronchodilator FEV1/FVC\<70% and FEV1\<70% based on NHANES III reference values * Domestic situation felt to be supportive of remote health monitoring. * Ability to give informed consent. Exclusion Criteria: * Clinical diagnosis of asthma. * Pulmonary disease other than COPD (e.g., lung cancer, sarcoidosis, active tuberculosis, bronchiectasis, pulmonary fibrosis, cystic fibrosis, or alpha-1-antitrypsin deficiency) or had lung volume reduction. * Any other active disease that, in the opinion of the investigator, would put the safety of the subject at risk through study participation (e.g. unstable cardiovascular disease, renal failure, stroke). * Previously diagnosed cancer is considered a significant disease unless it is in complete remission for 2 years at the initial visit. * Any other disease that is life-threatening and carries a prognosis less than two years that, in the opinion of the investigator, is likely to influence the clinical course during the conduct of this trial. * Myocardial infarction within 6 weeks of enrolment. * Use of long-term oxygen therapy (LTOT) prescribed for greater than 12 hours a day. * A known or suspected history of drug or alcohol abuse within 2 years prior to the initial visit.