Lung infections Flashcards Preview

2MB + 3MB MICROBIOLOGY > Lung infections > Flashcards

Flashcards in Lung infections Deck (25)
Loading flashcards...
1
Q

What are the components of the CURB65 score?

A
Confusion
Urea >7mmol/L
Respiratory Rate > 30
Systolic BP < 90 mmHg
Over 65 years old
2
Q

0-2 CURB 65

CAP treatment?

A

Amoxicillin PO 1 g

3
Q

0-2 CURB 65
Penicillin Allergic
CAP treatment?

A

Doxycycline PO 200mg on day 1 then 100mg

4
Q

3-5 CURB65 CAP Treatment?

A

Co-Amoxiclav IV 1.2gs + Doxycycline PO 100mg

5
Q

ICU CAP treatment?

A

Co amoxiclav IV 1.2gs + Clarithromycin IV 500mg

6
Q

INTIAL treatment for severe hospital aquired pneumonia or aspiration pneumonia?

A

IV Amoxicilllin + Metronidazole + Gentamicin

7
Q

INTIAL treatment for severe hospital aquired pneumonia or aspiration pneumonia with PENICILLIN allergy?

A

IV Co-trimoxazole + Metronidazole +/- Gentamicin

8
Q

STEP DOWN treatment for severe hospital aquired pneumonia or aspiration pneumonia?

A

PO Co-trimoxazole + Metronidazole for 7 days

9
Q

INTIAL treatment for non-severe hospital aquired pneumonia?

A

PO Amoxicillin + Metronidazole for 5 days

10
Q

STEP DOWN treatment for ALL patients with community aquired pneumonia?

A

Doxycycline 100mg for 7 days

11
Q

Treatment for PENICILLIN ALLERGIC severe or ICU Community aquired pneumonia?

A

IV Levofloxacin 500mg

12
Q

Which organisms commonly cause mild community aquired pneumonia?

A

Streptococcus pneumoniae, followed by Haemophilus influenzae

13
Q

Which organism commonly causes pneumonia in the community following viral influenza infection?

A

Staphylococcus aureus

14
Q

Which organisms commonly cause exacerbation of COPD?

A

Streptococcus pneumoniae, followed by Haemophilus influenzae

15
Q

How useful is blood culture in pneumonia?

A

Not useful in community aquired pneumonia (only +ve in 5-15%)
Most useful in severe disease - aim to get cultures BEFORE giving antibiotic in severe pneumonia.

16
Q

Which bacteria groups can cause false positives in blood cultures?

A

Skin commensals such as staphyloccus epidermidis, corynebacterium species and bacillus species.

17
Q

What are the features of Heamophilus Influenza?

A
  • gram negative (stains pink)
  • coccibacillus
  • aerobic
  • will generally NOT grow on blood agar and requires chocolate agar media
18
Q

Mycoplasma pneumoniae generally infects?

A

Children and young adults

19
Q

How is mycoplasma pneumoniae spread?

A

person to person

20
Q

Which skin condition is characteristic of mycoplasma pneumoniae infection?

A

Erythema multiforme

21
Q

How is Coxiella burnetti spread?

A

Sheep and goats

22
Q

How is chlamydia pstiacci spread?

A

Infected birds

23
Q

Which organism can be detected via urine?

A

Legionella, by finding legionella antigen in the urine.

24
Q

When is urine culture indicated?

A

If complicated infection is suspected?

25
Q

Within what time frame should you aim for urine samples to reach the lab?

A

One hour