Umbilical Cord Gas Analyzer
Interpret arterial and venous umbilical cord blood gases with structured fetal acid-base analysis, severity grading, mislabeled sample detection, and bedside teaching notes for neonatal transition. Pair cord gas interpretation with the CBG Analyzer and Pre/Post-Ductal Analyzer when oxygenation or ongoing ventilation status is part of the picture.
Optional reference
Typical cord gas ranges
Open ranges ↓
Optional reference
Typical cord gas ranges
Values vary by gestational age, delivery context, sampling technique, and analyzer. Use these ranges as bedside context, not as a substitute for local policy or neonatal assessment.
| Sample | pH | PaCO₂ | PaO₂ | HCO₃⁻ | Base excess |
|---|---|---|---|---|---|
| Arterial cord | ~7.20–7.35 | 35–70 mmHg | ~10–25 mmHg | 17–27 mmol/L | ~−9 to +2 |
| Venous cord | ~7.25–7.45 | 30–55 mmHg | ~20–35 mmHg | 16–25 mmol/L | ~−10 to 0 |
Enter values, then tap Analyze
The example numbers are for demonstration only. Replace them with real cord gas values, then run the analyzer when ready.
Why cord gases matter
Cord gases objectively frame fetal acid-base status at delivery and help distinguish acute respiratory compromise from sustained metabolic hypoxia. For ongoing neonatal gas trending, use the CBG Analyzer.
Interpret paired samples
Arterial cord blood reflects fetal status. Venous cord blood reflects placental return. Always compare both when available to catch mislabeled samples.
Clinical guardrail
Do not overvalue cord PO₂. It is highly sensitive to air contamination and maternal oxygen. For oxygenation context, use the Pre/Post-Ductal Analyzer and the Neo/Peds Oxygenation Reference.
Related PulmTools
Continue the neonatal respiratory workflow
Cord gases are only one part of neonatal assessment. Continue with capillary gas interpretation, pre/post-ductal oxygenation, and neonatal respiratory references.
CBG Analyzer
Interpret neonatal and pediatric capillary blood gases with perfusion-aware confidence scoring and SpO₂ guardrails.
Open →Pre/Post-Ductal Analyzer
Compare preductal and postductal oxygenation to detect ductal shunting, PPHN physiology, and CCHD screening patterns.
Open →Neo/Peds Oxygenation Reference
Review neonatal and pediatric SpO₂ targets, PaO₂ ranges, oxygen delivery, and escalation context.
Open →Neo/Peds Airway Reference
Review neonatal and pediatric ETT sizing, depth, airway confirmation, and airway management guidance.
Open →Neo/Peds HFNC / CPAP Reference
Review neonatal and pediatric HFNC, CPAP, NIPPV, oxygen support, and escalation thresholds.
Open →Neo/Peds Ventilation Reference
Review neonatal and pediatric ventilator settings, tidal volume targets, PEEP, rates, and lung-protective support.
Open →