Sometimes something sparks a memory and I am reminded how much has changed since I started in practice.
For example, consider an 18 month old who comes into the
office with a fever of 104 and lethargy. She has some mild cold symptoms. She
acts really sleepy and doesn’t react much when I examine her (it’s her nap time
but mother also says she has been sleeping more than usual today). Her ears and
throat look normal, her lungs are clear, she has no rash, and everything else
looks and sounds normal other than just looking sick.
Here is my possible thought process in the late 20th century:
- There is a good chance this is influenza but I don’t have any way to be sure
- Could be an early pneumococcal pneumonia (physical exam findings often do not show up right away so having clear lungs on exam does not necessarily exclude pneumonia)
- Could be another invasive bacterial infection such as a blood stream infection or meningitis which can not be ruled out on exam, especially in a young child
- Could be a kidney infection (a toddler is not going to complain of painful urination and you can’t really judge frequent urination in a child in a diaper)
What I might have done:
- Get some bloodwork to check for an elevated white blood cell count (particularly a type of white blood cells called bands) which could be a sign of a serious bacterial infection
- Get a chest X-ray to see if there is a pneumonia that I could not hear on exam
- Catheterize her to get a urine sample to check for signs of infection (she’s too young to pee in a cup and a bagged urine specimen is not reliable to rule out infection)
- If all other testing is unrevealing, potentially do a spinal tap to rule out meningitis
- Possibly admit her to the hospital for observation or for presumptive treatment of one of the above until further results are available.
- If I send the patient home, lie awake at night worrying that I may have missed something
Same patient in 2026:
- Since we now have the ability to test for influenza in the office, swab her nose
- If positive, discuss the expected course of the illness and symptomatic care and consider treating with Tamiflu.
- Discuss worrisome signs that would indicate a need to be rechecked.
- If negative for flu and other viruses that we can test for easily, maybe get a urine sample (but would probably wait to see if things resolve over a couple days before doing so because catheterizing an 18 month old is no fun for anyone involved)
- The other worrisome scenarios are vanishingly rare in a fully-vaccinated toddler in 2026 so can probably sit tight for now and treat symptoms unless she gets worse or something new develops.
In this scenario, I prefer 2026 and the patients and parents
do as well.
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