Pneumonia and Strep pneumoniae

Question 1

What are 3 common organisms that causes community acquired pneumonia

Say 3 things about the main organism’s structure
Name 3 other diseases it can cause

Answer 1

Strep pneumoniae, H. influenzae, S. aureus

• Encapsulated
• Diplococcus
• Gram positive
• Sinus infections, ear infections, memingitis

Question 2

How do bacteria cause pneumonia

Name 2 ways the disease is spread

Answer 2

Multiply in alveolar space and induce oedema and acute inflammation

Direct contact with someone’s mouth
Airborne as droplets

Question 3

Identify 5 symptoms of pneumonia

Answer 3

Fever
Malaise 
Tachycardia
Tachypnoea 
Shock due to large pressure-> Organ failure
Purulent sputum

Question 4

What are the 3 kind of pneumonia

Answer 4

Community acquired (Pneumonia that develops outside the hospital)

Hospital
Opportunistic

Question 5

Name 2 organisms that cause Community Acquired Pneumonia, compare the people they affect

Answer 5

S. pneumoniae: >2 years old

Respiratory Synctial Virus: <2 years old

Question 6

What are 3 atypical organisms that cause CAP

What is one antibiotic that can be used to treat this

Answer 6

Legionella pneumophilia
Mycoplasma pneumoniae
Chlamydia pneumoniae

Amoxicillin

Question 7

Compare the 3 types of pneumonia X-Ray patterns

Answer 7

Lobar pneumonia: Pulmonary consolidation demarcated by lung segment/ border

Bronchopneumonia: Patchy consolidation around the larger airways

Interstitial pneumonia: Fine shadowy areas, no sputum