Lecture 3 - Fever and Cough: Upper Respiratory Tract Infection Flashcards Preview

Blood Immunity and Infection > Lecture 3 - Fever and Cough: Upper Respiratory Tract Infection > Flashcards

Flashcards in Lecture 3 - Fever and Cough: Upper Respiratory Tract Infection Deck (7)
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1
Q

Streptococcus bacteria?

A

pyogenus (pharyngitis only, rheumatic fever risk) and pneumoniae (otitis media, pneumonia, sinusitis)

2
Q

Viruses of upper respiratory tract?

A

rhinoviruses, coronaviruses, respiratory syncytial viruses, influenza - widespread anatomically than bacteria

3
Q

S. Pyogenes pharyngitis signs?

A

high fever, pain, dysphagia, adenopathy, redness

4
Q

Identifying s. pyogenus?

A

clear beta haemolysis on petri dish (Group A)

5
Q

Typical course of viral URI?

A

fever for 2-3 days of onset, cough for 7-10 days, rhinorrhoea that progresses from clear to purulent to clear over 1-2 weeks

6
Q

Viral pharyngitis signs?

A

diffuse illness: rhinorrhea, hoarse voice, cough, conjunctival signs

7
Q

Haemolysis of blood agar?

A

partial, green alpha haemolysis = s. pneumoniae, complete clear beta haemolysis = s. pyogenes, no haemolysis = enterococcus faecalis

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