Legionella Pnuemonia 2019 MCQ Flashcards
1
Q
What causes legionella pneumonia
A
Legionella pneumophila
Community acquired and hospital acquired infection
2
Q
What is legionella pneumophila?
A
Gram negative bacilli
3
Q
Clinical syndrome associated with?
A
Pontiac fever- self limiting febrile illness
Severe pneumonia and multisystemic diasease
4
Q
Transmission?
A
By water sources. Swimming pools
60 eradicates bacteria
Legionella - gram negative bacilli
5
Q
What type of pneumonia
A
Acute fibropurulent pneumonia with alveolitis and bronchiolitis
6
Q
C/F
A
Fever Dry cough Cerebellar ataxia Stupor headache Bradycardia in relation to fever
7
Q
Ix
A
Leukocytosis / leukopenia with left shift
Thrombocytosis / thrombocytopenia
8
Q
Ix?
A
Elevated Ast, alt
Hyponatremia
Hypophosphatemia
9
Q
Diagnostic tests?
A
Urinary antigen Urinary pCR Gram stain and culture Direct fluorescent antibody Serology for legionella antibodies
10
Q
Rx
A
Azithromycin
Fluoroquinones
