Flashcards in Pertussis Deck (11):
- highly contagious acute respiratory illness caused by Bordetella pertussis
- aka whooping cough
What are the 3 phases of pertussis?
Describe the cattaharal phase of pertussis
- URI symptoms for 1-2w
- insidious onset
Describe the paroxysmal phase of pertussis
- rapid consecutive coughs followed by deep high pitched inspiration (whoop)
- post-tussive syncope or emesis
Describe the convalescent phase of pertussis
- gradual resolve of cough & emesis
How is pertussis diagnosed?
- nasopharyngeal culture v blood draw
- severe lymphocytosis
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
How is pertussis prevented?
- DTaP in infants
- TDaP in adolescents & adults
T/F: Abx tx can be started prior to culture results
What is the 1st line tx for pertussis?
i.e. azithromycin/ZPak, erythromycin, clarithromycin, bactrim