Respiratory Tract Infection Flashcards
What organisms cause the common cold
Rhinovirus
Coronoviruses
What are the clinical features of the common cold
Coryza Rhinnorhea Sore throat Cough Sneezing
What is the management of the common cold
Self limiting
No role for cough syrup
Avoid antibiotics
Avoid aspirin in children
What is the medical term for sore throat
Pharyngitis with or without tonsilits
Which organism can cause pharyngitis
Viruses
Bacteria
What are the important bacterial causes of pharyngitis
A beta haemolytic streptococcus\
Strep pyogenes
How do we diagnose group a strep pharyngitis
Throat swab
What happens to the throat swab
Gets placed onto a blood agar and is cultured
What happen around the bacteria colony for it to be classed as beta haemolysis
Haemoltysis of the blood
What colour would strep a stain with gram stain
Purple due to it being a gram positive cocci
How do we decide who to treat with pharyngitis
Feverpain score - people with high score are giving antibiotics
What is the managemnet of group a strep pharyngitis
Phenoxymethylpenicillin
Or macrolide if allergic to penicillin
What are the complications of strep a pharyngitis
Quinsy
Scarlet fever
Rheumatic fever
Post strep glomerulonephritis
What are the 2 main problems diptheria causes
- Airway obstruction
2. Toxin mediated disease so it causes myocarditis and neuropathy
How is diptheria treated
Penicillin
Anti toxin agents
What is glandular fever caused by
Ebstein barr virus (EBV)
What are the clinical features of glandular fever
Fever Malasia Sore throat Lymphadenopathy Splenomegaly Rash with amoxicillin
Which test do we use to diagnose glandular fever
Monospot test
What does monospot test look for
Antibodies for any virus
What is the specific test to diagnose glandular fever
Serology- igm, igg, EBNA
What does igm + mean
Patient has had the infection previously
What is the EBNA antibody positive
After 2 months
What is the management of glandular fever
Symptomatic
Avoid contact sport due to splenomegaly rupture risk
Which ogranism can cause otitis media and sinusitis
Virus
Step pneumonia
Haemophilus infleunza
What are the clincal features of otitis media and sinuisitis
Fever
Pain and tenderness over sinuses
What are the management of otitis media and sinusitis
Decongestants
Grommets to drain the pus out
What are the complications of otitis media and sinusitis
Mastoiditis
Meningitis due to streptococcus pneumonia
Which organism causes acute epiglottitis
Haemophilus influenza type b
What are the features of acute epiglottitis
Drooling
Dysphagia
Dysphonia