COPD Flashcards
involves airflow limitation due to obstructed airways, which leads to difficulty in exhaling air
Chronic Obstructive Pulmonary Disease (COPD)
involves reduced lung expansion or decreased lung compliance, leading to restricted lung volumes
and difficulty in fully expanding the lungs during inhalation.
Chronic Restrictive Pulmonary Disease (CRPD)
former name for COPD
Chronic Obstructive Lung Disease (COLD)
Leading cause of morbidity and mortality among smokers, 4th leading cause of death in the world
COPD
Main RF for COPD
Tobacco smoking
Other RF for COPD
Air pollution
Accelerated aging
Infection
Allergies
Pathophysiology of COPD
Airway inflammation
Increased mucus production
Fibrosis and alveolar wall destruction
Narrowing airway
Resulting in air trapping
Cells present in bronchioles
Pseudostratified columnar epithelium often ciliated
Cell lining in alveoli
Simple squamous epithelium
FEV1 is
the forced expiratory volume in 1 min
Clinical indicators for COPD
Progressive dyspnea
Recurrent wheezes
Chronic coughing
Mild COPD FEV1
> 80%
Moderate COPD FEV1
50% < 80%
Severe COPD FEV1
30% < 50%
Very Severe COPD FEV1
< 30%
Breathlessness only on strenuous exercise
mMRC Grade 0
Breathless when hurrying on the level or walking up a slight hill
mMRC Grade 1
Walks slower than other people of same age on the level due to shortness of breath or
need to stop for breath when walking at own pace
mMRC Grade 2
Short of breath after walking few minutes on the level or about 100 yards (90m)
mMRC Grade 3
Too breathless to leave the house, or breathless when dressing or undressing
mMRC Grade 4
COPD conditions
Bronchitis
Emphysema
Bronchiectasis
Asthma
Cystic Fibrosis
Pneumonia
PTB
Area affected in bronchitis
Membrane lining the bronchial tubes
Area affected in Bronchiectasis
Bronchia tubes
Area affected in Pneumonia
Alveoli