CPNP-PC study materials
CPNP-PC study resources

A 24-Day-Old With a Fever and No Way to Get to the Hospital

CPNP-PC · Put your knowledge to work in context.

All case studies

A 24-Day-Old With a Fever and No Way to Get to the Hospital

At 9:40 pm on a Friday, a mother brings her 24-day-old son to your after-hours clinic because his rectal temperature was 38.2°C (100.8°F) at home 30 minutes ago. He was born at 39 weeks and discharged at 48 hours. He has been breastfeeding and today fed "a little less" but had a wet diaper an hour ago. On exam: rectal temperature 38.0°C, HR 168, RR 52, SpO2 98%, soft fontanelle, no rash, capillary refill 2 seconds, no focal findings; he is awake and appears well. He is the fourth child. The family lives 90 minutes away, has no car and no working phone, and depends on a coworker for rides. His 3-year-old brother had an E. coli urinary tract infection last year. Your clinic has no on-site laboratory after 8 pm, and the nearest pediatric emergency department is 45 minutes away.

1. What diagnostic evaluation is indicated, and what would you actually order tonight given that your clinic has no lab after 8 pm?

Read the worked answer

Verify the fever first: 38.0°C rectally is the threshold and this is a documented fever, so it counts. At 24 days, classic signs are unreliable and "well-appearing" on a single exam is not reassuring enough.

Age places him in the 22-28 day band of the AAP 2021 well-appearing febrile infant guideline:

  • Blood culture.
  • Urinalysis and urine culture from a catheter specimen - never a bag specimen.
  • Inflammatory markers, procalcitonin preferred and CRP acceptable.
  • Lumbar puncture if markers or urinalysis are abnormal; many centers still perform LP for all infants under 28 days.

The realistic answer tonight: your clinic cannot run procalcitonin or perform an LP, and that is an argument for the emergency department, not for skipping tests. Do not draw specimens at the clinic that will sit untended - the disposition decision is the clinical decision. If the infant were ill-appearing, hypotensive, or had a bulging fontanelle or seizure, this is a 911/EMS call, not a private car.

Note the sibling's E. coli UTI: it does not change the pathway, but it raises the pre-test probability of a urinary source and reinforces the need for a catheter specimen.

2. Where should this infant be managed, and what empiric therapy would you expect? Justify the disposition using the social constraints.

Read the worked answer

What the pathway allows: a well-appearing 22-28 day old with normal inflammatory markers and a normal urinalysis may be managed as an inpatient for observation, or as an outpatient with ceftriaxone 50 mg/kg IM and re-evaluation within 24 hours.

Why the outpatient branch fails here: it is contingent on a working phone, reliable transportation, an adult who understands the plan, and a clinician reachable within 24 hours. This family has none of those - 90 minutes away, no car, no phone. A missed deterioration in a 3-week-old can be fatal within hours. That converts the risk calculus decisively toward admission.

Plan: transfer to the emergency department and admit for observation, with cultures, LP, and empiric antibiotics per the local pathway - ampicillin plus gentamicin, or ampicillin plus cefotaxime. Ceftriaxone is generally avoided in the first month because it displaces bilirubin and can precipitate with calcium-containing fluids.

Execution: arrange EMS or a hospital transport voucher, engage social work about the other three children and the ride, use a qualified interpreter for the consent conversation, and document the shared decision-making and the reasoning behind admission rather than outpatient management.

3. The parents refuse transfer because they have no way to get there and are afraid of the cost. What now?

Read the worked answer

Explore the real barriers before arguing: cost, immigration status, the other children, work, and fear of the hospital. Address each one concretely - emergency Medicaid and hospital charity care, a hospital social worker, EMS or a transport voucher, childcare for siblings.

Explain risk in interpreted plain language with concrete stakes: young infants with fever have a meaningful risk of urinary tract infection, bacteremia, and meningitis, and can worsen within hours; the tests are how we tell a virus from a bacterial infection.

Offer the least-bad workable option rather than an ultimatum - for example, EMS now, or a call ahead to the ED to arrange direct admission.

If refusal persists:

  • Assess and document capacity and understanding through teach-back with the interpreter.
  • Document the risks explained and the alternatives offered; involve your supervising physician and risk management.
  • Give a clear safety-net plan: fever thresholds, feeding and diaper output, lethargy or irritability, and when to call 911.
  • Arrange same-day follow-up if at all possible.

Child protection: refusal of clearly necessary urgent care that leaves the infant at risk of serious harm is a child-protection concern - consult the on-call child abuse pediatrician or your state hotline and document the reasoning. Keep the relationship intact; the goal is the infant getting care, not winning the argument.