As part of a comprehensive lung exam, a doctor may try to listen for various sounds by tapping your back and chest with their hand, which is a test called percussion. If the percussion produces a drum ...

Among adults with undiagnosed respiratory symptoms, those with undiagnosed COPD and asthma vs. preserved ratio impaired or ...

Individuals younger than 50 years with COPD faced an elevated risk for premature death and incident hospitalization/death due ...