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Overview of conditions Flashcards

COPD, asthma, pneumothorax, pleural effusion, empyema, resp failure, mesothelioma, pneumonia, pulmonary oedema

1
Q

What does COPD stand for?

A

Chronic obstructive pulmonary disease

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2
Q

What is COPD?

A

A (potentially partially reversible) condition where airflow progressively reduces over time, especially in expiration (there is greater resistance).

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3
Q

Who gets COPD?

A

Smokers, people in industrialised countries (air pollution)

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4
Q

How do patients with COPD present?

A

Breathlessness - that has developed over time
Productive cough
(Wheeze)

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5
Q

How do patients with COPD and chronic bronchitis present?

A

Productive cough
Infections with purulent sputum
Increasing breathlessness
Wheeze

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6
Q

What is the treatment for mild COPD?

A

SAMA = ipratropium

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7
Q

What is the treatment for moderate COPD?

A

LABA/LAMA combo

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8
Q

What are the complications/types of COPD?

A

Emphysema

Chronic bronchitis

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9
Q

What is the prognosis of COPD?

A

It is SOMETIMES partially reversible but is mainly palliative

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10
Q

How do you diagnose COPD?

A 
CXR
Arterial blood gas
Spirometry
Pulmonary function test
CT scan
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11
Q

What is a pleural effusion?

A

an abnormal collection of fluid in the pleural space

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12
Q

How do you diagnose pleural effusion?

A

Examination - dull percussion
CXR, CT scan
Pleural aspirate/biopsy - allowing biochem and cytology and culture

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13
Q

How do you treat a pleural effusion that isn’t malignant?

A

Drainage, if infectious then antibiotics and may need surgery

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14
Q

What is mesothelioma?

A

an uncommon, malignant tumour of the lining of the lung, causing pleural thickening causing the lung to shrink

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15
Q

Who gets it mesothelioma?

A

People who have been exposed to asbestos

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16
Q

How do patients with mesothelioma present?

A 
Breathlessness
Chest pain
Weight loss
Fever
Sweating
Cough
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17
Q

How do you diagnose mesothelioma?

A

Imaging
Pleural fluid aspiration
Biopsy

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18
Q

What is the treatment for mesothelioma?

A 
Palliative:
- radiotherapy
- chemotherapy
- pleurodese effusions
Can do surgery but only in clinical trials.
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19
Q

What is the prognosis for mesothelioma?

A

Palliative

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20
Q

What is the treatment for malignant mesothelioma?

A 
Drain, pleurodesis, long term pleural catheter
(Palliate symptoms
Repeated pleural taps
Talc slurry
Pleurodesis
Long term pleural catheters
Surgical options: abrasion, pleurectomy)
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21
Q

What is a pneumothorax?

A

Air in the pleural space

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22
Q

Who gets pneumothorax/more common in?

A

Tall thin men, smokers, cannabis users, underlying lung disease patients

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23
Q

How do patients with pneumothorax present?

A

Acute onset of pleuritic chest pain
SOB
Hypoxia

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24
Q

What are the signs that a patient has a pneumothorax?

A 
Tachycardia
Hyper-resonant percussion (extra hollow)
Reduced expansion
Quiet breath sounds on auscultation
Hamman's sign (click)
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25
How do you diagnose someone with pneumothorax?
CXR | sometimes CT as well
26
What is the treatment for a pneumothorax?
``` NO treatment if no symptoms (asymptomatic) and small OTHERWISE Oxygen Aspiration in the 2nd intercostal space if not enough time then...chest drain MAY NEED suction or surgical intervention ```
27
What is a tension pneumothorax?
When a pneumothorax is so large that it causes the lung to collapse and shift to the other side, displacing the trachea and heart
28
How do you diagnose a tension pneumothorax?
``` No breath sounds Tracheal deviation Hypotension (low BP) Raised JVP (jugular venous pressure) Reduced air entry on the affected side ```
29
What is the treatment for a tension pneumothorax?
Needle decompressions (2nd intercostal space (for emergency) vs the safety triangle)
30
What is empyema?
A pleural effusion but pus instead of liquid
31
What is the treatment for empyema?
Antibiotics (6 wks, co-amoxiclav) Drain as needed If doesn't go away then surgeons remove it all and wash out the lung.
32
What is asthma?
A recurrent and reversible (in the short term) obstruction to the airways in response to a substance that isn't necessarily noxious and doesn't normally affect non-asthmatic subjects.
33
What is the asthma triad?
Reversible airflow obstruction Airway hyperresponsiveness Airway hyperinflammation
34
Where does asthma affect?
BOTH the large and small airways
35
What are the steps of the dynamic evolution of asthma?
Bronchoconstriction Chronic airway inflammation Airway remodelling Inflammatory cascade
36
What is the initial response in asthma?
Constriction of the bronchioles = bronchospasm
37
What is the secondary response to asthma?
The immune response
38
What permanent changes can asthma cause as a result of long standing inflammation?
Thickening of smooth muscle in bronchioles Increased secretion of mucus Accumulation of interstitial fluid Epithelial damage, exposing sensory nerve endings Sub-epithelial fibrosis
39
Who gets asthma?
5-10% of the Population in industrialised countries. Can be genetically predisposed Non-smokers Could be genetically predisposed
40
How do asthmatics present?
``` Wheezing (on expiration) Struggling to breathe Tight chest Cough Diurnal variability (bad at night and worse in the mornings) ```
41
How is asthma diagnosed?
Challenge tests Spirometry Peak flow (how much can blow out) Exercise testing
42
What is the first line treatment for asthma?
SABA (salbutamol - blue inhaler) with an inhaled steroid (glucocorticoid - brown inhaler)
43
If a SABA and an ICS doesn't work for asthma what do you add in?
A LABA (salmeterol)
44
If SABA, ICS and LABA doesn't work for asthma what do you do?
``` Increase the dose of the ICS ADD: CysLT1 (LTRA) (Montelukast) LAMA triple therapy (tiotropium) xanthines (theophylline) cromones (cromoglycate) Anti-IgE (omalizumab) Anti-IL-5 (mepolizumab) Anti-IL4a (duplimab) ```
45
What is the difference between restrictive and obstructive lung disease, give examples?
Obstructive have problems with expiration (COPD, asthma) | Restrictive have problems with inspiration (pulmonary fibrosis)
46
what is the treatment for chronic asthma?
Avoid triggers ICS +/- non-steroidal anti-inflammatory (eg: theophylline, anti-leukotriene) +/- LABA/LAMA to stabilise smooth muscle
47
what is the treatment for acute asthma?
``` Oral prednisolone Nebulised high dose salbutamol +/- neb ipratropium, IV aminophylline At least 60% O2 Assisted ventilation if failing PaO2 and rising PaCO2 ```
48
what is the treatment for COPD as it progresses?
``` LABA/LAMA combo ICS/LABA/LAMA combo PDE4 inhibitor (roflumilast Mucolytic (carbocisteine) Antibiotics (azithromycin) ```
49
treatment of acute COPD?
Nebulised high dose salbutamol + ipratropium Oral prednisolone Antibiotic if infectious exacerbation (amoxycillin/doxycycline) 24-28% O2 Non invasive ventilation
50
how do you distinguish between type 1 and 2 respiratory failure?
Type 1 is hypoxic with normal or low CO2 | Type 2 is hypoxic and hypercapnic (high CO2)
51
what is pneumonia?
inflammation of the lung, normally due to infection, resulting in consolidation on a CXR
52
what are the types of pneumonia?
``` community acquired hospital acquired aspiration pneumonia legionella atypical/walking pneumonia ```
53
stages of lobar pneumonia?
congestion red hepatization grey hepatization resolution
54
what are the common causes of pneumonia? (3)
strep pneumonia haem influenzae staph aureus
55
what are common community acquired pneumoniae?
mycoplasma pneumoniae coxiella burnetiid chlamydia psittaci legionella pneumophilia
56
what type of pneumonia is more common in alcoholics?
klebsiella
57
what would you find when examining someone with pneumonia?
late inspiratory crackles | dull percussion
58
what investigations would you do for pneumonia?
``` CXR blood culture serology PCR ABGs Bloods Sputum ```
59
what does the CURB65 mean and what is it used for?
used to assess severity of community acquired pneumonia. ``` Confusion Urea (>7) Resp rate (>30) Bp (systolic <90, dia <61) 65 - age ```
60
what is pneumothorax?
air in the pleural cavity
61
what is pleural effusion?
fluid in the pleural cavities
62
what is pulmonary oedema?
fluid in the alveolar spaces
63
what is the general treatment for pneumonia?
amoxicillin or doxycycline if allergic oxygen fluids bed rest
64
why can't you use penicillin for mycoplasma pneumonia?
it has no cell wall so is resistant
65
what is the treatment for community acquired pneumonia?
tetracycline and macrolides
66
what is the treatment for hospital acquired pneumonia?
amoxicillin and gentamicin
67
what is the treatment for aspiration pneumonia and why>
amoxicillin and metronidazole (as need anaerobic cover as came from stomach)
68
what is the treatment for legionella pneumoniae?
levofloxacin

Respiratory (8 decks)

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