PulmTools
Evidence-informed tools and calm, practical learning for respiratory care professionals.
Quick Analyzers
Analyze a real blood gas fast
Already have values from the ICU, ED, or class? Jump straight into the ABG or VBG analyzer instead of practice mode.
ABG Analyzer
Enter pH, PaCO₂, HCO₃⁻, and PaO₂ to review acid-base status, compensation, and oxygenation classification.
VBG Analyzer
Enter pH, PvCO₂, and HCO₃⁻ to quickly interpret venous acid-base status and compensation patterns.
Flagship Tools
Start with PulmTools essentials
Jump into the highest-value bedside tools first, then browse the full suite by clinical workflow.
ABGenius
Interpret the provided ABG values (pH, PaCO₂, HCO₃⁻, PaO₂) to determine the correct acid-base disorder, compensation status, and oxygenation category.
VBGenius
Practice venous blood gas interpretation using pH, PvCO₂, and HCO₃⁻ to identify acid-base disorders and compensation without oxygenation analysis.
Desired Ve / PaCO₂
Calculate target minute ventilation based on desired PaCO₂ using inverse proportionality.
Clinical workflow
Core Calculators · Acid–Base
Clinical workflow
Core Calculators · Acid–Base
ABGenius
Interpret the provided ABG values (pH, PaCO₂, HCO₃⁻, PaO₂) to determine the correct acid-base disorder, compensation status, and oxygenation category.
Open tool →VBGenius
Practice venous blood gas interpretation using pH, PvCO₂, and HCO₃⁻ to identify acid-base disorders and compensation without oxygenation analysis.
Open tool →Cord Gas Analyzer
Interpret umbilical arterial or venous cord gases with fetal acid-base classification, acidemia severity grading, and sampling reliability warnings.
Open tool →CBG Analyzer
Interpret neonatal and pediatric capillary blood gases with acid-base classification, compensation checks, and capillary-specific oxygenation guardrails.
Open tool →Neo/Peds VBG Analyzer
Interpret neonatal and pediatric venous blood gases with age-aware acid-base framing, PvCO₂ trend guidance, venous PO₂ guardrails, and bedside teaching notes.
Open tool →Winters' Formula
Estimate the expected PaCO₂ in metabolic acidosis using Winter’s formula to assess respiratory compensation.
Open tool →Respiratory Compensation Calculator
Estimate expected HCO₃⁻ changes in acute and chronic respiratory acidosis or alkalosis and compare measured bicarbonate to expected compensation.
Open tool →Anion Gap Calculator
Calculate anion gap, corrected anion gap, and delta ratio to evaluate metabolic acidosis and mixed acid-base disorders.
Open tool →Delta Gap Calculator
Compare changes in anion gap and bicarbonate to help detect mixed metabolic acid-base disorders in high anion gap acidosis.
Open tool →Clinical workflow
Oxygenation & Respiratory Failure
Clinical workflow
Oxygenation & Respiratory Failure
P/F Ratio – OI Guidance
Assess oxygenation efficiency using P/F ratio and Oxygenation Index to guide escalation of respiratory support.
Open tool →Pre/Post-Ductal Analyzer
Compare preductal and postductal SpO₂ / PaO₂ to detect ductal shunting, PPHN physiology, reverse differential cyanosis, and CCHD screening patterns.
Open tool →A–a Gradient Calculator
Estimate alveolar-arterial oxygen gradient to evaluate causes of hypoxemia and guide differential diagnosis.
Open tool →ROX Index Calculator
Calculate the ROX index using SpO₂, FiO₂, and respiratory rate to help assess HFNC response and escalation risk.
Open tool →Clinical workflow
Ventilation & Mechanics
Clinical workflow
Ventilation & Mechanics
IBW Calculator
Estimate ideal body weight for ventilator settings and dosing adjustments.
Open tool →ARDSNet Assistant
Segment-based calculator built on the ARDSNet protocol. Input your patient's PaO₂ and current PEEP to get real-time guidance on titration or weaning.
Open tool →Desired Ve / PaCO₂
Calculate target minute ventilation based on desired PaCO₂ using inverse proportionality.
Open tool →Minute & Alveolar Ventilation
Calculate minute ventilation and alveolar ventilation using tidal volume, respiratory rate, and dead space to better understand CO₂ clearance.
Open tool →Dead Space Calculator (VD/VT)
Estimate VD/VT ratio and dead space volume using PaCO₂, ETCO₂, and tidal volume to assess ventilation efficiency and CO₂ clearance.
Open tool →RSBI Calculator
Calculate the rapid shallow breathing index (RSBI) to support ventilator weaning and extubation readiness assessment.
Open tool →Clinical workflow
Hemodynamics & Perfusion
Clinical workflow
Hemodynamics & Perfusion
Fick Cardiac Output
Compute cardiac output using the Fick principle (CO = VO₂ / (CaO₂ − CvO₂) × 10). Optionally add BSA to get Cardiac Index.
Open tool →MAP + Shock Index
Calculate mean arterial pressure, shock index, and pulse pressure to assess perfusion pressure and early hemodynamic stress at the bedside.
Open tool →Mixed Venous Genius (SvO₂)
Interactive SvO₂ calculator and practice cases. Compute CaO₂, DO₂, and SvO₂; explore how Hb, SaO₂, CO, and VO₂ change mixed venous saturation.
Open tool →Breathwork Hub
Guided coherence, box, and 4–7–8 breathing with timing cues, physiology explainers, and benefits for clinicians and patients.
Explore Breathwork Hub →Learn with PulmTools
Master ABG interpretation, compensation rules, and real-world practice cases — plus breathwork and imaging guides.
View All Guides →Explore Our Blog
Stay up to date with the latest evidence-based updates, guideline summaries, and clinical insights for respiratory care professionals.
Visit the Blog →Clinical Reference Library
Start with high-yield references
Open the most practical bedside references first, then browse the full resource library by clinical category.
Neonatal & Pediatric Oxygenation
Reference for neonatal and pediatric SpO₂ targets, PaO₂ ranges, FiO₂ escalation, oxygen delivery devices, preductal/postductal sats, and escalation pathways.
RSI Intubation Checklist
Rapid sequence intubation checklist for airway setup, preoxygenation, induction, paralytics, ETT confirmation, ventilator transition, and post-intubation care.
Ventilator Modes Reference
Evidence-based ventilator modes reference for AC/VC, AC/PC, SIMV, PSV, PRVC, APRV, HFOV, waveform interpretation, and bedside mode selection.
Resource category
Guidelines & Protocols
Resource category
Guidelines & Protocols
ARDSNet Protocol
View the official low tidal volume ventilation protocol in a fully branded layout.
Open resource →COPD GOLD Guidelines
Review the GOLD standard classification and management strategies for COPD in a clean, printable format.
Open resource →AAP Bronchiolitis (2014)
Read the AAP Clinical Practice Guideline for bronchiolitis — embedded PDF with PulmTools highlights.
Open resource →Resource category
Neonatal & Pediatric Respiratory
Resource category
Neonatal & Pediatric Respiratory
Neonatal & Pediatric Airway
Quick reference for neonatal and pediatric ETT sizing, intubation depth, cuffed vs uncuffed tubes, LMA sizing, and airway confirmation.
Open resource →Neonatal & Pediatric Oxygenation
Reference for neonatal and pediatric SpO₂ targets, PaO₂ ranges, FiO₂ escalation, oxygen delivery devices, preductal/postductal sats, and escalation pathways.
Open resource →Neonatal & Pediatric HFNC / CPAP
Reference for neonatal and pediatric high-flow nasal cannula, CPAP, NIPPV starting settings, bronchiolitis support, and escalation thresholds.
Open resource →Neonatal & Pediatric Ventilation
Reference for neonatal and pediatric mechanical ventilation settings, SIMV, PRVC, tidal volume targets, PEEP, respiratory rate, and lung-protective ventilation.
Open resource →Resource category
Airway & Emergency Workflows
Resource category
Airway & Emergency Workflows
RSI Intubation Checklist
Rapid sequence intubation checklist for airway setup, preoxygenation, induction, paralytics, ETT confirmation, ventilator transition, and post-intubation care.
Open resource →Ventilator Modes Reference
Evidence-based ventilator modes reference for AC/VC, AC/PC, SIMV, PSV, PRVC, APRV, HFOV, waveform interpretation, and bedside mode selection.
Open resource →Mechanical Ventilation Troubleshooting
Practical ventilator troubleshooting reference for high peak pressure, high plateau pressure, auto-PEEP, ventilator alarms, dyssynchrony, leaks, and sudden desaturation.
Open resource →PRVC Pitfalls
Practical PRVC pitfalls reference explaining adaptive targeting, false compliance, falling PIP, minimum-pressure alarms, high respiratory drive, and safer ventilator strategies.
Open resource →What is PulmTools?
PulmTools is a modern, mobile-friendly respiratory platform built for RTs, nurses, physicians, PAs, NPs, and learners. It combines bedside calculators, interactive practice tools, evidence-based protocols, and practical teaching content so you can move from calculation to interpretation to deeper learning in one place.
- Fast, trustworthy tools: ABGenius, VBGenius, ARDSNet Assistant, P/F Ratio & Oxygenation Index, A–a Gradient, ROX Index, Dead Space, Hemodynamics, Fick CO, and more.
- Evidence-informed learning with protocols, blog guides, and teaching content that reinforce real bedside reasoning.
- Designed for clinicians and students — mobile-friendly, fast to use, and clear enough to trust during real shifts.
Tools at a glance