Micro biology 1 Flashcards
Upper RS infections include
Pharyngitis
sinusitis
tonsilitis
otitis media
middle RS infection include
epiglottitis laryngitis tracheitis bronchitis bronchiolitis croup / laryngotracheobronchitis
lower RS infection include
infection in lung parenchyma / pneumonia
rhinitis caused by , minor feature and what season is it common in
viral (rhinovirus then coronavirus )
minor feature is fever
humid szn
rhinitis typically present as
common cold
sinusitis caused by
viral but in odontogenic infections and immunocompromised fungal and bacterial infecs(H. inflenza , s. pneumonia and M . catarrhalis)
purulent discharge feature of sinusitis
true
sinusitis divided into
acute (recurrent)
chronic
pharyngitis mainly caused by
viral
what are you supposed to do when you discover a case of pharyngitis
rule out s. pyogenes due to sequelae (RF and GN)
Viral pharyngitis common in
4-7 years
what is otitis media
inflammation of mucosa in middle ear periosteum
otitis media mainly caused by
H. inflenza , s. pneumonia and M . catarrhalis
chronic cases caused by and its symp.
p.aeuriginsoa, enterobacterales and anaerobe
ear discharge and hearing loss
what is laryngitis and its symptoms
inflammation in laryngeal mucosa
voice hoarseness and stridor
laryngotracheobronchitis mucosal inflammation extending below ?
glottis
croup most common in what age group and caused by
1-2 yrs
parainfluenza 1,2 ,3
rhinovirus and adenovirus
Influenza and RSV
Clinically Croup
barking cough and stridor and hoarseness
differentiate croup from
Foreign body and acute epiglottitis
tracheitis part of viral disease of larynx and larynx usually
true
most cases of tracheitis associated with
s. aureus
treacheitis affects children at larger age group than croup
true
tracheitis has similar presentation to croup but …..
higher temp and thick purulent secretion
bronchitis types and causes
acute viral or atypical bacterial
chronic ; non infec, like smoking and pollution
acute excerbation of chronic bronchitis caused by
h. inflenza , s. pneumonia and M . catarrhalis)
bronchiolitis busually caused by
RSV
RSV bronchiolitis peaks in
winter
age group of bronchiolitis
2-10 mths
bronchiolitis clinical
history of URT infec with mild fever then 2-3 days symp of lower RT (cough , breathlessness and wheeze)
differential diagnosis of bronchiolitis
asthma or foreign body
pleuritic chest pain due to
pneumonia
picornaviridie member
rhinovirus
pneumoviridie members
RSV and hMPV
orthomyxoviridie member
influenza
paramyxoviridie member
parainfluenza
what viruses has negative sense ssRNA
orthomyxovirdae and paramyxovirdae and pneumovirdae