Vibration Response Imaging in Chronic Obstructive Pulmonary Disease and Asthma

Inclusion Criteria

• •Able and willing to read, understand, and provide written Informed Consent
• •Male or Female in the age range of 18-85 years
• •Patients referred for evaluation of known or suspected obstructive airways disease.
• •Subject is referred for pulmonary function testing with pre-and post- bronchodilator
• •BMI \> 21
• •Patients who are treated with Bronchodilators should go through a washout period prior the VRI procedure according to the Pulmonary Function Laboratory protocol.
• •Stable clinical condition at study baseline evaluation.