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.
P/F Ratio – OI Guidance
Assess oxygenation efficiency using P/F ratio and Oxygenation Index to guide escalation of respiratory support.
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 →OxyGenius
Practice PaO₂ classification, P/F ratio severity, and Berlin ARDS criteria using realistic ICU oxygenation cases.
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 →Berlin ARDS Criteria
Apply the Berlin Definition of ARDS using timing, bilateral opacities, non-cardiogenic respiratory failure, PEEP/CPAP requirements, and PaO₂/FiO₂ severity classification.
Open tool →PE Rule-Out Toolkit
Combine Wells Score and PERC criteria to support pulmonary embolism risk assessment, D-dimer decisions, and imaging pathway guidance.
Open tool →Murray Lung Injury Score
Calculate ARDS lung injury severity using chest radiograph involvement, PaO₂/FiO₂ ratio, PEEP, and static compliance with VV ECMO referral context.
Open tool →VV ECMO Referral Criteria
Screen severe ARDS patients for VV ECMO referral triggers using P/F ratio, hypercapnic acidosis, ventilator intensity, rescue therapy status, and contraindication cautions.
Open tool →ECMO Contraindications Checklist
Screen major and relative ECMO contraindication concerns including severe neurologic injury, active bleeding, anticoagulation limitations, prolonged ventilation, frailty, irreversible disease, and multiorgan failure before referral discussions.
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