Week 1 Flashcards
what is another word for sore throat or inflammation of the pharynx
pharyngitis
what classifies as acute pharyngitis
less than 2 weeks duration
what classifies as chronic pharyngitis
more than 2 weeks duration
what are the 2 causes of pharyngitis? and which is more common?
infectious and non-infectious causes, infectious is more common
Infectious causes of pharyngitis is broken down into 2 categories which is? which one is more common?
viral and bacterial, viral is more common
what is the most common cause of viral pharyngitis?
common cold (rhinovirus and coronavirus = 25%)
what is the most common cause of bacterial pharyngitis?
Group A Beta-hemolytic streptococci
what is a red flag?
signs and symptoms found in the patient history and clinical examination that may indicate possible serious underlying pathology
what is acute epiglottitis?
inflammation of epiglottis and adjacent tissues
what is the bacterial infection that causes acute epiglottitis
Haemophilus influenzae
is antibiotic therapy required for acute epiglottitis?
yes
What is the 4Ds? (hint: key clinical presentation for acute epiglottitis)
- dysphagia
- drooling
- dysphonia
- distress
what is the most common deep infection of head and neck?
peritonsillar abscess (Quinsy)
what is the key characteristic of peritonsillar abscess?
severe unilateral sore throat
T or F: Peritonsillar Abscess patients may have trismus (lockjaw) and a rancid breath
true
what is retropharyngeal abscess?
retropharyngeal edema due to cellulitis and supporative adenitis of lymph nodes in retropharyngeal space
what are 3 red flag conditions for pharyngitis?
- acute epiglottits
- peritonsillar abscess
- retropharyngeal abscess
what is a strong indication of infectious cause of pharyngitis?
fever
T or F: viral causes of pharyngitis do not require antibiotic therapy unless there is a secondary bacterial infection
true
what is the bacteria that causes streptococcal pharyngitis?
group A beta-hemolytic streptococci
what are the non-suppurative complications from strep throat?
- acute rheumatic fever (ARF)
- poststreptococcal glomerulonephritis
- Pediatric autoimmune neurophsychiatric disorder assocated with group A streptococcal (PANDA)
cause of ARF?
cross-reactive antibodies produced in reaction to GABHS infection
what is poststreptococcal glomerulonephritis
injury to the glomerulus due to deposition of immune complexes and circulating autoantibodies
what is pediatric autoimmune neuropsychiatric disorder associated to Group A strep?
abrupt onset of severe exacerbations of obsessive-compulsive type behaviours or tics in children following GABHS infection, thought to be due to antibodies cross-reacting with regions in the basal ganglia