Barrel Chest means a physical change where the chest looks rounded/puffed out due to trapped air. This term describes an important change in the lungs or airways. Understanding it can help explain symptoms such as breathlessness, mucus build-up, or repeated infections. It also supports doctors in monitoring the condition and adjusting treatment.

Borg Scale means a 0–10 scale you use to tell the doctor exactly how "winded" you feel. This term describes an important change in the lungs or airways. Understanding it can help explain symptoms such as breathlessness, mucus build-up, or repeated infections. It also supports doctors in monitoring the condition and adjusting treatment.

BiPAP means a mask worn at night that "pushes" air in to help you blow off co2​. This term describes an important change in the lungs or airways. Understanding it can help explain symptoms such as breathlessness, mucus build-up, or repeated infections. It also supports doctors in monitoring the condition and adjusting treatment.