Acute Pharyngitis Flashcards Preview

Nelson - Respiratory System > Acute Pharyngitis > Flashcards

Flashcards in Acute Pharyngitis Deck (26)
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1
Q

Most important agents causing pharyngitis

A

1) Viruses 2) GABHS

2
Q

Major virulence factor for GABHS

A

M protein

3
Q

Virulence factor of GABHS that facilitates resistance to phagocytosis by PMNs

A

M protein

4
Q

Prominent sore throat and fever in the absence of cough

A

Acute pharyngitis

5
Q

Pharynx is red, tonsils enlarged and clasically covered with a yellow blood-tinged exudate

A

Strep pharyngitis

6
Q

Petechiae or doughnut lesion on the soft palate and posterior pharynx

A

Strep pharyngitis

7
Q

Bacterial vs viral pharyngitis: Rapid onset

A

Bacterial

8
Q

Bacterial vs viral pharyngitis: Gradual onset

A

Viral

9
Q

Bacterial vs viral pharyngitis: Rhinorrhea, cough, diarrhea

A

Viral

10
Q

Bacterial vs viral pharyngitis: Concurrent conjunctivitis and fever

A

Viral, specifically adenovirus

11
Q

Bacterial vs viral pharyngitis: Small grayish vesicles and punched-out ulcers in the posterior pharynx

A

Viral, specifically Coxsackie herpangina

12
Q

Bacterial vs viral pharyngitis: Small yellowish-white nodules in the posterior phraynx

A

Viral, specifically Coxsackie acute lymphonodular pharyngitis

13
Q

Septic thrombophlebitis of the IJV with septic pulmonary emboli, producing hypoxia and pulmonary infiltrates

A

Lemierre syndrome

14
Q

Lemierre syndrome is a serious complication of

A

F. necrophorum pharyngitis

15
Q

Gold standard for diagnosing strep pharyngitis

A

Throat culture; an IMPERFECT gold standard

16
Q

T/F Rapid test to detect group A strep antigen is highly specific, so if a rapid test is positive, throat culture to diagnose strep pharyngitis is unnecessary and appropriate treatment is indicated

A

T

17
Q

T/F Most untreated episodes of strep pharyngitis resolve uneventfully in a few days

A

T

18
Q

T/F Early antibiotic therapy for strep pharyngitis hastens clinical recovery

A

T, by 12-24hrs

19
Q

Primary benefit of treatment of strep pharyngitis

A

Prevention of ARF

20
Q

Early antibiotic therapy for strep pharyngitis successfully prevents ARF if treatment is instituted within

A

9 days of illness

21
Q

T/F GABHS remains universally susceptible to Penicillin

A

T

22
Q

Treatment regimen most effective for eradication of streptococcal carriage

A

Clindamycin

23
Q

If compliance with antibiotic treatment for strep pharyngitis has been poor, ___ is suggested

A

IM benzathine penicillin

24
Q

Lowers incidence of pharyngitis for 1-2 yrs among children with recurrent culture-positive GABHS pharyngitis that has been severe and frequent

A

Tonsillectomy

25
Q

Frequent pharyngitis is defined as

A

> 7 episodes in a year, or >5 in EACH of the preceding 2 years

26
Q

T/F Viral respiratory infections can predispose to bacterial middle ear infections

A

T