Chapter 5 Bacterial infections Flashcards
What causes impetigo?
- Staph. aureus
- Strep pyogenes
What is the etiology of tonsillitis and pharyngitis?
- Group A beta-hemolytic streptococci
- Influenza
- Epstein-Barr virus
What are the signs and symptoms of tonsillitis and pharyngitis?
- Sore throat
- Dysphagia
- Tonsillar hyperplasia
- Fever and headache
The majority of tonsillitis and pharyngitis is caused by bacteria or virus?
-Virus
How do you diagnosis sterptococcal pharyngitis and tonsilitis?
-Via culture
What are the sequelae of tonsillitis (strep throat) and pharyngitis?
- Scarlet Fever
- Rheumatic fever
- Rheumatic heart disease
- Acute glomerulonephritis
What is scarlet fever a result of?
-Disseminated Group A-beta hemolytic streptococcal infections
What are pastia’s lines associated with?
-Scarlet fever
What are pastia’s lines?
-Rash in areas of pressure and skin folds presenting as transverse red streaks
What is the treatment for scarlet fever?
- Oral penicillin
- Erythromycin
Tonsillar concretions and tonsillolithiasis are formed how?
-Pharyngeal tonsillar crypts which are filled with desquamated keratin and foreign material
How do you to at home treatments for tonsillar concretions?
- Gargle warm salt water
- Use pulsating jets of water
What bug causes diphtheria?
-Cornebacterium diphtheriae
What bug causes syphilis?
-Treponema pallidum
Who is syphilis more common in?
-African american men
What is primary syphilis?
-Chancre (it is painless)
How is secondary syphilis characterized?
- Rash
- Painless lymphadenopathy
What stage of syphilis would you expect to find mucous patches?
-Secondary
What is tertiary syphilis known as?
-Gumma
What STD is a hole in the palate associated with?
-Tertiary syphilis
