9- Obstructive Lung Disorder Flashcards

(79 cards)

0
Q

Obstructive lung disease functional lung test presents , and physical how?

A
TLC ^
RV^
Percussion bilateral hyper resonant 
Auscultation faint
Barrel chest
Fev1/fvc= decreased
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

How does the diaphragm present in Ob LD

A

Pushed down

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What mind of diagnosis is emphysema

A

Anatomical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What kind of diagnosis is chronic bronchitis?

A

Clinical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the cause of airflow obstruction in chronic bronchitis

A

Edema ,fibrosis and recurring infections of bronchial tree

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the cause of airflow obstruction in emphysema

A

Loss of elastic recoil so small respiratory acini collapse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Second cause for Emphysema after cigarette smoke

A

A1 anti trypsin deficiency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What protease damages the elastic tissue of the lung ?

A

Serine protease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Destruction of elastic tissue causes what?

A

Loss of radial traction
Small airways collapse
Air gets trapped

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What airways does centriacinar involve

A

Only dilation of respiratory bronchial

Alveoli normal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The other name for centriacinar

A

Centri lobar emphysema

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the mc type of emphysema

A

Centriacinar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What part of lungs does centriacinar involve

A

Apical segment of upper lobes where smoke goes up to

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Who is centriacinar mostly seen in

A

Smokers and CWP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Who is panacinar emphysema seen in ?

A

Patients with AAT deficiency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What organ makes AAT

A

Liver

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Two problems in AAT deficiency ?

A

Lungs have decreased anti trypsin and liver has accumulation of misfolded ATT - cirrhosis of liver

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What does accumulation of misfolded AAT lead to in panacinar emphysema

A

Cirrhosis of liver cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is the thee other name for paraseptal emphysema

A

Distal acinar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Does paraseptal emphysema cause obstruction

A

No

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What does distal acinar paraseptal emphysema MC lead to

A

Spontaneous pneumothorax from rupture of sub pleural bullae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What does the thinking and destruction of large air spaces and alveolar capillaries lead to in emphysema

A

Pulmonary hypertension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

3 symptoms of emphysema

A

Dyspnea
Dec exercise tolerance
Tachypnea– hyperventilation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What does pursing lips in emphysema do and what are these people called

A

Creates positive backwards pressure- over oxygenated skin so PINK BUFFERS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
WhAt develops late in emphysema from PH
COR pulmonary
25
How does X-ray look in emphysema
Hyperlucent lung fields Depressed diaphragm Increased ap diameter Vertically orientated hidden heart
26
Mc type of COPD
Chronic bronchitis
27
Clinical requirement of chronic bronchitis
3 months for two years of cough and sputum
28
What airways does chronic bronchitis affect
Large-trachea and bronchi and small airways -terminal bronchi
29
What do the large airways in chronic bronchitis produce
Mucous gland hyperplasia | Excess mucous
30
In chronic bronchitis what happens in the small airways
There is goblet cell metaplasia and mucous plugs with smc hypertrophy causing obstruction
31
What does mucous plug in chronic bronchitis cause
Hypoxemia- acidosis - constriction -cyanosis -PH- COR pulmonale
32
In chronic bronchitis what does mucous gland | Hypertrophy lead to
Increased Reid index more than .40
33
What is the reid index
Is the thickness of mucosal gland to entire wall thickness
34
What do patient with chronic bronchitis look like
Blue bloaters with peripheral edema from RVF
35
What does late stage chronic bronchitis lead to
Severe hypoxia from broncoconstriction Pulmonary HT COR pulomonale
36
PH in COPD develops from what combination of things
Pulmonary vasoconstriction -Hypoxia Increased blood viscosity -polycythemia Loss of pulmonary vasculature surface area
37
Why does COPD develop increased lung viscosity
Due to polycythemia from chronic hypoxia
38
What kind of lung disease is Asthma
Obstructive
39
What kind of lung disease is bronchiectasis
Obstructive
40
What airways do bronchiectasis involve
Medium dialated airways extending to pleura
41
What does inflammation in bronchiectasis cause
Destruction of cartilage muscle And elastic tissue which cause weakness and permanent and irreversible dilatation
42
Mc cause of bronchiectasis in America
CF
43
Mc agents causing bronchiectasis in CF patients
Pseudomonas aeruginosa
44
Mc cause of bronchiectasis in the world
Tb
45
What causes bronchiectasis
Obstruction from mucous from infection Chronic persistent infection
46
Organism that cause bronchiectasis in children
H. Influenza
47
Common organism that cause bronchiectasis
Strep pneumo Staph aureus Pneumococci Pseudomonas aeroginosa
48
Causes for bronchiectasis
CF TB Broncogenic Carcinoma Kartagners*
49
What are the bronchioles In bronchiectasis filled with
Pus
50
Bronchiectasis clinical findings
Digital clubbing | Cupfull sputum
51
How does the X-ray of bronchiectasis look
Bronchial markings toward periphery
52
Obstruction pattern in emphysema
Airway collapse
53
Obstruction pattern in bronchiectasis
Functional obstruction
54
Obstruction pattern in chronic bronchitis
Mucous plug
55
In bronchiectasis what do you find In ct scan of lung
Signet ring and dialated bronchi with thickened walls
56
Bronchiectasis is reversible or irreversible ?
Irreversible
57
Asthma is reversible or irreversible
Reversible
58
What cause obstruction in asthma
Broncospasm Mucosal inflammation-edema Excessive secretion of mucous
59
What airways does asthma involve
Bronchi and terminal bronchioles | Not resp unit
60
What is the most common cause of children absence in school from respiratory disease
Asthma
61
Other name for idiosyncratic asthma
Intrinsic asthma | Non allergic asthma
62
What kind is asthma is aspirin induced asthma
Intrinsic non immune
63
What kind of asthma is virus induced asthma
Intrinsic
64
What mind of asthma is ozone produced asthma
Intrinsic
65
When're do you see nasal polyps in adults
Aspirin produced asthma
66
Where do you see nasal polyps in children
CF
67
In early phase of extrinsic Asthma what is The signal for mast cells to degenerate
Cross link of igE on them
68
Asthma early stage IL-4 Cause
IgE production
69
Early stage asthma what cells secrete IL -4 and IL-5
CD 4 TH2 cells
70
What mind of hypersensitivity is asthma
1
71
Does does il-5 do in asthma
Chemo tactic for activation of eosinophils
72
At what time is the late phase of asthma
4-8 hours later
73
What cells are involved in late phase in Asthma
Neutrophils mononucleosis cells and eosinophils
74
What is the important mediator in late stage asthma
Leukotrienes cde4
75
In late phase asthma what do eosinophils release
Mbp- damage epithelial cells | Cationic protein- damage epithelial and cause constriction
76
What histology changes happen in the cells in asthma
Hyperplasia of mucous glands Hypertrophy of smc Edema Eosinophils infiltrate
77
What are asthma curshmann spirals
Shed epithelial cells in spiral | Shaped mucous plugs
78
In asthma What are crystalline granules in eosinophils fuses to form ?
Spear shaped Charcot Leyden crystals