Lower recruitment rate than expected

This is an observational study which aims to evaluate the possibility of using data from a capnography device to assess obstructive airway severity in both Chronic Obstructive Pulmonary Disease (COPD) and Asthma patients.

This is a feasibility observational study which aims to evaluate the possibility of using data from a capnography device to assess obstructive airway severity in both COPD and Asthma patients. The study will include adults asthma and COPD patients (age >18) that arrive at the Emergency Department (ED). Patients will be enrolled on a continuous basis and will be monitored by a capnograph and an oximeter before, during and after lung function assessment and medical treatment.

Inclusion Criteria:

1. Age >18
2. Ability and willingness to participate the study and sign informed consent form
3. Asthma / COPD patients

Exclusion Criteria:

1. Pregnant women
2. Asthma or COPD patients with FEV1 > 60%
3. Disability or unwillingness to undergo capnography measurement
4. Cannot be assessed for FEV1
5. Oxygen supply >5 L/min

Asthma and COPD patients