CLINICAL
What are the "3 C's" of Measles?
What are: Cough, Coryza, Conjunctivitis
What lab abnormality is commonly seen in measles?
What is: Leukopenia (lymphopenia)
How many days before rash is a measles patient infectious?
What is: 4 days before
What type of isolation is required?
What is: Airborne
What vaccine prevents measles?
What is: MMR
Where does the rash begin in measles?
Where is: Face/Hairline
What test confirms measles infection?
What is: Measles PCR or IgM
How long after leaving a room can measles remain airborne?
What is: Up to 2 hours
What PPE should providers wear?
Who needs post-exposure prophylaxis?
Who are: The Unvaccinated or high-risk individuals
What pathognomonic findings appear in the mouth?
What are: Koplik Spots
A positive Monospot is found- what cognitive error must be avoided?
What is: Anchoring bias
When do Koplik spots appear relative to rash?
What is: Before the rash
What is the first step when measles is suspected?
What is: Immediate isolation
Who should receive immunoglobulin instead of vaccine?
Who are: The Pregnant and immunocompromised individuals
Why might measles be mistaken for a drug eruption?
What is: rash appears after medication exposure, but prodrome differentiates
Why is lymphopenia significant in measles?
What is: Immune suppression mechanism
What is the highest-risk transmission period?
What is: The prodrome
What systems failure leads to outbreaks in the ED?
What is: Delayed isolation in triage
Why is measles considered highly contagious?
What is: Because it's an airborne transmitted disease
What early clinical feature appears before rash and can guide diagnosis?
What are: Koplik Spots during Prodrome
Which lab trend signals disease progression?
What are: Worsening lymphopenia and rising AST/ALT
Why are waiting rooms high-risk environments?
What is: Airborne spread in shared ventilation before diagnosis
How should you respond if no negative-pressure room is available?
What is the most important public health action?
What is: Immediate reporting and contact tracing