Phototherapy, escalation, and exchange-transfusion total-serum-bilirubin thresholds for infants ≥35 weeks (AAP 2022).
| Field | Unit | Notes |
|---|---|---|
| Gestational age | weeks | 35–42 |
| Postnatal age | hours | 0–336 |
| Total serum bilirubin | mg/dL | 0–50 |
| Neurotoxicity risk factors | — | albumin <3.0, isoimmune/G6PD/other hemolysis, sepsis, or clinical instability in last 24h |
Phototherapy, escalation, and exchange-transfusion total-serum-bilirubin thresholds for infants ≥35 weeks (AAP 2022).
Gestational age (weeks), Postnatal age (hours), Total serum bilirubin (mg/dL), Neurotoxicity risk factors.
BETA — thresholds digitized from the AAP 2022 curves (±~0.3 mg/dL) and hour-interpolated; the 35–37 wk early-hour exchange cells especially should be confirmed against the official AAP 2022 figures / PediTools before acting. Decision also allows a bilirubin:albumin ratio criterion (not modelled here). ≥35 wk only; not for preterm <35 wk.
Weight-based endotracheal tube insertion depth at the lips for neonates.
Volume of whole blood to remove (replaced with crystalloid) to correct neonatal polycythemia.
Insertion depth for high-position umbilical artery (UAC) and umbilical vein (UVC) catheters.
Daily glucose load, fluid requirement and feasible dextrose blends for a target glucose infusion rate.
Estimate gestational age from New Ballard neuromuscular + physical maturity totals.
Rapid assessment of newborn condition from five clinical signs (0–10), recorded at 1 and 5 minutes.
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