Respiratory + critical care toolkit

Respiratory decisions,made clearer.

Fast bedside tools, thoughtful interpretation, and practical learning for respiratory and critical care professionals.

Analyze an ABG Explore clinical tools

Evidence-informed•Built for fast repeat use•Clinical context included

Flagship workflow

Free · No signup

ABG Analyzer

Enter four values. Get the acid–base pattern, compensation, and oxygenation in seconds.

7.28

PaCO₂

HCO₃⁻

PaO₂

Respiratory acidosis

Mild hypoxemia

Instant read

Analyze this sample

Quick access

Get to the answer faster.

Start with the workflows clinicians reach for most, then move into deeper practice or reference material.

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Arterial blood gas

ABG Analyzer

Acid–base status, compensation, and oxygenation in one fast workflow.

Venous blood gas

VBG Analyzer

Rapid venous acid–base interpretation with safe clinical context.

Oxygenation

P/F Ratio + OI

Assess oxygenation severity and respiratory support context.

Clinical library

Focused tools, organized around care.

Browse by clinical workflow without wading through a wall of equally weighted cards.

29 tools

Core calculators

Acid–Base

9 tools

ABGenius

Practice complete ABG interpretation and compensation.

VBGenius

Build confidence interpreting venous blood gases.

Cord Gas Analyzer

Interpret paired and single umbilical cord gases.

CBG Analyzer

Review capillary gases with pediatric guardrails.

Neo/Peds VBG

Age-aware venous gas interpretation for neonates and children.

Winter’s Formula

Check respiratory compensation in metabolic acidosis.

Respiratory Compensation

Compare measured bicarbonate with expected compensation.

Anion Gap

Calculate corrected anion gap and delta ratio.

Delta Gap

Screen for mixed metabolic acid–base disorders.

Clinical workflow

Oxygenation & Respiratory Failure

11 tools

P/F Ratio + OI

Assess oxygenation efficiency and severity.

OxyGenius

Practice oxygenation and ARDS classification.

Pre/Post-Ductal

Compare preductal and postductal oxygenation.

Oxygen Tank Duration

Estimate safe remaining cylinder time.

A–a Gradient

Calculate the alveolar–arterial oxygen gradient.

ROX Index

Review HFNC response and escalation risk.

Berlin ARDS Criteria

Apply the Berlin definition and severity grading.

PE Rule-Out

Work through Wells and PERC criteria.

Murray Score

Quantify lung injury severity and referral context.

VV ECMO Referral

Review severe ARDS referral triggers.

ECMO Contraindications

Screen major and relative referral concerns.

Clinical workflow

Ventilation & Mechanics

6 tools

IBW Calculator

Estimate ideal body weight for ventilation.

ARDSNet Assistant

Navigate lung-protective ventilation guidance.

Desired V̇E / PaCO₂

Calculate target minute ventilation.

Minute Ventilation

Calculate minute and alveolar ventilation.

Dead Space

Estimate VD/VT and dead-space volume.

RSBI

Support weaning and extubation assessment.

Clinical workflow

Hemodynamics & Perfusion

3 tools

Fick Cardiac Output

Calculate cardiac output using the Fick principle.

MAP + Shock Index

Review perfusion pressure and hemodynamic stress.

Mixed Venous Genius

Explore oxygen delivery and SvO₂ relationships.

Clinical pearl

Respiratory failure

Oxygenation is not ventilation.

A normal SpO₂ does not rule out respiratory failure. Ventilation and oxygenation are separate physiologic problems.

Learn + apply

Go deeper without losing momentum.

Move naturally from calculation to practical reference and focused learning.

Study

Clinical learning

Reference

Protocols + guides

Reset

Breathwork hub

Clinical reference library

High-yield guidance, ready when needed.

Concise bedside references for oxygenation, airway management, and mechanical ventilation.

View all references

Neonatal + pediatric

Oxygenation Reference

Targets, escalation pathways, and delivery-device guidance.

Airway

RSI Intubation Checklist

A focused sequence from preparation through post-intubation care.

Ventilation

Ventilator Modes

Bedside reference for modes, waveforms, and mode selection.

PulmTools

Calculate. Interpret. Keep learning.

One respiratory toolkit for the bedside, classroom, and everything between.

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