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Clin Med I - Pulmonary > Pertussis > Flashcards

Flashcards in Pertussis Deck (11):
1

Define pertussis

- highly contagious acute respiratory illness caused by Bordetella pertussis
- aka whooping cough

2

What are the 3 phases of pertussis?

- cattaharal
- paroxysmal
- convalescent

3

Describe the cattaharal phase of pertussis

- URI symptoms for 1-2w
- insidious onset

4

Describe the paroxysmal phase of pertussis

- rapid consecutive coughs followed by deep high pitched inspiration (whoop)
- post-tussive syncope or emesis

5

Describe the convalescent phase of pertussis

- gradual resolve of cough & emesis

6

How is pertussis diagnosed?

- nasopharyngeal culture v blood draw
- severe lymphocytosis

7

What determines if a patient need a nasopharyngeal swab v. blood draw for pertussis?

- nasopharyngeal: all infants, < 11y/o, & >11 y/o of sx under 2 w
- blood: > 11 y/o with over 2 w of sx

8

How is pertussis prevented?

- DTaP in infants
- TDaP in adolescents & adults

9

T/F: Abx tx can be started prior to culture results

- True

10

What is the 1st line tx for pertussis?

- macrolides
i.e. azithromycin/ZPak, erythromycin, clarithromycin, bactrim

11

Who should recieve post-exposure prophylaxis and when?

- all asymptomatic contacts w/in 21d of onset of cough