Lower Respiratory Tract Infection Flashcards

1
Q

what are the symptoms of Pneumonia

A
malaise 
fever
chest pain
cough
purulent sputum
dyspnoea
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2
Q

what does purulent sputum mean

A

contains pus, composed of white blood cells, cellular debris, dead tissue, serous fluid and viscous liquid (mucus). Mostly, it is yellow in color, as well as green.

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3
Q

when a patient produces rusty coloured sputum what could this indcate

A

pneumonia caused by streptococcus pneumonia

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4
Q

what are the clinical signs of pneumonia

A
pyrexia
tachpnoea
central cyanosis
dull percussion of affected lobe
bronchial breath sounds
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5
Q

what investigation could you do if you suspect a patient has pneumonia

A
serum biochemistry 
blood count
CXR
throat swab
urinary legionella Ag
sputum microscopy and culture
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6
Q

what can you use to score the severity of pneumonia

A

the “CURB 65”

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7
Q

what does CURB 65 stand for

A

confusion
blood urea>7
respiratory rate>30
diastolic pressure65

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8
Q

if a patient scores a CURB of 0-1 what antibiotics should they be treated with

A

Amoxycillin or clarithromycin/ doxycycline

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9
Q

if a patient scores a CURB of 2 what antibiotics should they be treated with

A

Amoxycillin AND clarithromycin or levofloxacin

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10
Q

if a patient scores a CURB of 3-5 how should they be treated

A

Co-amoxiclav and clarithromycin or levofloxacin (if allergic to penicillin)

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11
Q

apart from antibiotics what other treatment can you give for pneumonia

A

oxygen
IV fluids
CPAP
intubation and ventilation

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12
Q

what does CPAP stand for

A

continuous positive airflow pressure

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13
Q

what are some common causes for Bronchiectasis

A

immotile cilia syndrome
cystic fibrosis
childhood infection-measels

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14
Q

what is hypogammaglobulinaemia

A

Hypogammaglobulinemia is an immune disorder characterized by a reduction in all types of gamma globulins, including antibodies that help fight infection.

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15
Q

what are the symptoms of Bronchiectasis

A

chronic cough
daily sputum-copious
sometimes - wheeze, dyspnoea, tiredness, flitting chest pains, haemoptysis

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16
Q

what are clinical signs that you may notice with bronchiectasis

A

finger clubbing

course inspiratory crepitations

17
Q

what does crepitations mean

A

a crackling or rattling sound.

18
Q

what are the common microorganisms that cause lower respiratory tract infections (4)

A

strep pneumonia
H. influenza
Moxraxella catarrhalis
staph aureus

19
Q

what are the atypical microorganisms that cause LRTI

A

mycoplasma
chlamydia
coxiella
legionella

20
Q

what are the complications of Pneumonia

A
septicaemia
acute kidney failure
Empyema 
Lung Abscess
Haemolytic anaemia
tp
21
Q

What is Empyema

A

the collection of pus in a cavity in the body, especially in the pleural cavity.

22
Q

what is Haemolytic anaemia

A

Hemolytic anemia or haemolytic anemia is a form of anemia due to hemolysis, the abnormal breakdown of red blood cells

23
Q

what are precipitins

A

A precipitin is an antibody which can precipitate out of a solution upon antigen binding.

24
Q

what is acute bronchitis

A

short time inflammation of the bronchi of the lungs

25
Q

what symptoms can present with acute bronchitis

A
cough
sputum
wheeze SOB
fever
chest discomfort
26
Q

what are symptoms of bronchiectasis

A
chronic cough
daily sputum production
sometimes:
wheeze
Dyspnoea
Tiredness
flitting chest pain
haemoptysis
27
Q

what are signs of bronchiectasis

A

finger clubbing

inspiratory crepitations

28
Q

what organisms usually cause bronchiectasis

A

H.influenzae
staphlycoccus aureus
pseudomonas aeruginosa

29
Q

what investigations can you do for Bronchiectasis

A
HRCT Thorax
Sputum culture
Serum immunoglobulins
Total IgE and Aspergillus precipitins
CF genotyping
30
Q

what is the treatment for bronchiectasis

A

Chest physiotherapy

treatment of infections with appropriate antibiotics

May require inhaled therapy including beta2 agonist and inhaled corticosteroid