Bronchiolitis: documentation that holds up
Bronchiolitis is a clinical diagnosis treated mostly with supportive care — so the chart's job is to document the work of breathing, hydration, and the apnea risk, and to record why the routine x-rays, viral panels, and bronchodilators were not used (and that a dangerous wheeze mimic was excluded).
01What's at stake
The catastrophic risk is apnea in the youngest infants, and the cognitive trap is calling every infant wheeze "bronchiolitis" when it's actually heart failure, a foreign body, or pneumonia. Over-testing and over-treating (CXR → unnecessary antibiotics, ineffective albuterol/steroids) is the other failure the AAP guideline targets.
02Can't-miss & mimics
- Apnea — highest risk in term infants <1 month, preterm infants <48 weeks post-conception, or any witnessed apnea this illness.
- Impending respiratory failure — altered mentation, severe retractions, grunting, persistent hypoxia.
- Dehydration — tachypnea compromises feeding.
- Wheeze mimics: CHF/myocarditis ("cardiac wheeze"), foreign body (sudden onset + choking), pneumonia, pertussis, anaphylaxis, vascular ring — especially in a neonate or first-time wheezer.
03Assessment
- Apnea risk (age, gestational/post-conceptual age, witnessed apnea)? → monitored admission
- Work of breathing, mentation, SpO₂, ability to feed? → severity & disposition
- Sweating/cyanosis with feeds, murmur, hepatomegaly? → cardiac, not bronchiolitis
- Sudden onset with choking? → foreign body
- Serial respiratory exams — findings change minute to minute; suction the nose and reassess.
Skip the typing
Work the case in the Pediatric Respiratory Distress Workup — it records work of breathing, hydration, and the apnea-risk assessment, and assembles an MDM that documents the supportive-care reasoning and the mimics considered.
04Management (AAP guideline)
- Supportive care — nasal suction, hydration (oral/NG/IV isotonic), oxygen when SpO₂ consistently ≤90%.
- Do NOT routinely: give albuterol, epinephrine, corticosteroids, antibiotics, chest physiotherapy, or ED hypertonic saline; or obtain CXR/viral panels.
- Escalation — high-flow nasal cannula (and CPAP) for increasing work of breathing/hypoxia; reduces intubation when started early.
- Verify the pulse-ox (probe placement/motion) before reacting to a number; tie oxygen to work of breathing.
- Disposition — admit for apnea risk, severe disease, hypoxia, poor feeding/dehydration, or an unreliable follow-up situation; discharge mild disease feeding well with reliable caregiver, education, and 24-hour follow-up.
05What to document
06Where charts fail
- Calling a neonate's or first-time wheeze "bronchiolitis" without excluding cardiac/foreign-body causes.
- Discharging an infant at apnea risk (very young/preterm or witnessed apnea) despite a normal re-exam.
- Reflexive CXR (→ antibiotics) and viral testing that don't change management.
- Treating with albuterol/steroids without documenting an objective indication.
- Acting on a single pulse-ox reading without verifying the probe/work of breathing.
07Sources
- Joseph MM, Edwards A. Acute bronchiolitis: assessment and management in the emergency department. Pediatric Emergency Medicine Practice (EB Medicine). 2019;16(10).
- Ralston SL, Lieberthal AS, Meissner HC, et al. Clinical practice guideline: the diagnosis, management, and prevention of bronchiolitis. Pediatrics. 2014;134(5):e1474-e1502.
- Corneli HM, Zorc JJ, Mahajan P, et al. A multicenter, randomized, controlled trial of dexamethasone for bronchiolitis. N Engl J Med. 2007;357(4):331-339.
- Willwerth BM, Harper MB, Greenes DS. Identifying hospitalized infants who have bronchiolitis and are at high risk for apnea. Ann Emerg Med. 2006;48(4):441-447.
© 2026 Kim Trinh, MD. All rights reserved. Educational only — synthesized from EB Medicine, the AAP guideline, and primary literature. Synthetic examples. Not medical advice — apply local protocol and judgment.