BASIC pathology definitions

is a condition in which the airways narrow—usually reversibly—in response to certain stimuli.

is persistent obstruction of the airways. There are two main forms of COPD:

•Chronic bronchitis, which involves a long-term cough with mucus

•Emphysema, which involves destruction of the lungs over time

Most people with COPD have a combination of both conditions.

is an infection of the small air sacs of the lungs (alveoli) and the tissues around them.

is inflammation of the large airways that branch off the trachea (bronchi), usually caused by infection but sometimes caused by irritation from inhaling gases, smoke, dust particles, or some types of pollution.

is a pus-filled cavity in the lung surrounded by inflamed tissue and caused by an infection.

similar to urticaria - rapid oedema of the dermis, subcutaneous tissue, mucosa and submucosal tissues)

hayfever

an irreversible widening (dilation) of portions of the breathing tubes or airways (bronchi) resulting from damage to the airway wall.

Cough
Dyspnea
Chest Pain
Wheezing
Stridor
Hemoptysis
Cyanosis
Clubbing

aka hives, skin rash notable for pale red, raised, itchy bumps