Immunisations Flashcards
Why isn’t pertussis disappearing?
The vaccine isn’t as immunogenic as other vaccines - protection doesn’t last as long
Why is measles coming back?
Return travellers
Anti-vaxxers
What is the classic physical sign of diphtheria? How does it kill?
White tonsillar exudate
Airway obstruction
Smooth muscle dysfunction - arrhythmia
Why admit whooping cough?
Assist feeding
Oxygen
Apnoea
What are you concerned about with whooping cough?
Hypoxic brain injury
How do you diagnose pertussis?
Throat/nose swap - PCR - quicker
Blood serology
How is pertussis mx?
Macrolides - clarithromycin
- only changes course of illness if caught in early stages, otherwise it only reduces infectivity
What is the natural history of pertussis?
Cough lasts months
Which vaccinated organism can cause peri-orbital cellulitis?
HiB
Staph and strep otherwise
How is Hib treated?
3rd generation cephalosporin
How does tetanus present?
Muscular spasm - starts at the jaw, can spread to muscles throughout
What be used instead of vaccination in the context of tetanus? When do you use it?
Passive Ig
If unvaccinated in large injury
How does mumps present?
Temperatures
Painful, swollen glands
Orchitis
Encephalitis
How does polio present?
Flaccid paralysis that may be reversible
Depending where it effects the phenotype will be different
How does the rash in VZV appear?
Vesicular rash
Varying size
Pleomorphic
Centrally distributed