Respiratory Infections Pathology Flashcards Preview

Jason's MD2 ED/Amb Rotation > Respiratory Infections Pathology > Flashcards

Flashcards in Respiratory Infections Pathology Deck (27):
1

bronchopneumonia looks how? who gets it?

patchy
multifocal
bilateral
lower lobes

elderly ppl

2

lobar pneumonia looks how? who gets it?

healthy ppl
uniform, whole lobe

3

lobular pneumonia looks how? which disease usually causes it?

confined to one part in one lobe
Legionnaire's

4

bronchiolitis obliterans is what?

scarring and fibrosis post bronchopneumonia

5

4 complications of bacterial pneumonia?

abcess
adhesion
empyema
infarct

6

viral or bacterial pneumonia more likely to cause lung infarct?

viral

7

mycobacterial pneumonia: what is post-primary mean?

reactivation in dormant
fresh infection in sensitized person

8

two kinds of post-primary TB?

TB bronchopneumonia
cavitation

9

viral inclusion bodies in which pneumonias?

adenovirus
CMV

10

allergic aspergillous vs. normal aspergillous difference?

allergic: proximal: architecture maintained
regular: distal: architecture distorted

11

cryptococcus looks how in lung?

focal lesion with central necrosis

12

upper respiratory tract infection

pharyngitis: group A strep, viruses
sinusitis: strep, haemophilus, fungi
otitis media: strep pneumo, haemophilus, maraxella catarhalis, SA
epiglottis: Haemophilus type B

13

how to dx pertussis? treatment?

PCR (first 3 weeks)
serology

treat with macrolides
notifiable disease

14

typical pneumonia cause?

strep pneumo
haemophilus
staph au

15

atypical pneumonia organisms?

legionella
mycoplasma
chlamydophila pneumonia

16

nosocomial pneumonia bugs?

gram -ves
e.coll
klebs
pseudomonas

17

treatment recommended for community acquired pneumonia?

one narrow spectrum: penicillin
atypical cover: Doxycycline

18

strep pneumo on microscopy looks?

diplococci
alpha-haemolytic

19

common cause of rust coloured sputum?

strep pneumonia

20

haemophilus influenza, who at risk? what does it cause?

infants
lobar pneumonia

21

what makes you think of legionella pneumophila?

systemic features: renal/hepatic failure

water towers, immunocompromised ppl

22

chlamydophila psittaci classical person? psitticosis?

bird owners cleaning out droppings

23

mycoplasma pneumoniae infects where in cell? who gets it?

intracellularly
younger ppl get it (walking pneumonia)

24

how to get best TB specimens?

3 early morning sputum specimens over 3 days

25

pneumocystic jirovecii presents in who? and how?

-HIV ppl usually
-insidious onset on dyspnoea

26

Nocardia in who? and what does it cause?

usu. in immunosuppressed
-brain abcesses, skin manifestations

-cavitating
-gram +ve branching bacilli

27

definition of pneumonia

inflammatory exudate within alveoli causing consolidation