Respiratory Tract Infection Flashcards Preview

Year 1 - Respiratory (DP) > Respiratory Tract Infection > Flashcards

Flashcards in Respiratory Tract Infection Deck (18):
0

What are the clinical features of acute bronchitis?

Productive cough
Fever
Normal CXR
Transient wheeze

1

What antibiotics are used to treat an infective exacerbation of COPD?

Doxycycline or amoxicillin

2

What drugs can be used to treat influenza?

Zanamivir
Oseltamivir

3

What bacteria cause TB?

Mycobacterium tuberculosis
M. bovis
M. africanum

4

What is the primary test for TB?

PCR

5

What stain is used for TB culture?

ZN Acid-Fast bacilli

6

What is IGRA testing?

Interferon Gamma Release Assay testing
If positive
- current TB
- previously treated TB
- latent TB

7

How is TB treated?

Rifampicin, Isoniazid, Pyrazinamide and Ethambutol for initial 2 months
THEN
Rifampicin and Isoniazid for a further 4 months

8

How is latent TB treated?

Prior to immunosuppressive therapy (infliximab, etanercept, adalimumab, rituximab)
3 months of Isoniazid and Rifampicin

9

What drugs is MDR-TB resistant to?

Isoniazid
Rifampicin

10

What drugs is XDR-TB resistant to?

Isoniazid
Rifampicin
Fluoroquinolones
Injectables

11

What is the causative organism in acute epiglottitis?

Haemophilia influenzae

12

How does acute epiglottitis present?

Severe croup
Resp obstruction

13

Treatment of Haemophilus influenzae

Ceftriaxone

14

What are the first and second line treatments in infective exacerbations of COPD?

1st line - Amoxicillin (500mg TID for 5 days)
2nd line - Doxycycline (200mg on day 1 then 100mg OD for 4 days)

15

What symptoms would a Bordetella pertussis infection cause?

Acute tracheobronchitis
Paroxysmal coughing
Residual cough

16

What is a Ghon focus indicative of?

Primary TB in mid lung peripheries

17

A cavitating apical lesion is indicative of what?

Secondary TB