
Respiratory Therapy Education, References, and Tools for Clinicians
Free clinical guides, quick-reference tools, and educational content for RT students and professionals.
Built for respiratory therapists, students, and healthcare professionals.
Popular Clinical Resources
The most-used respiratory therapy guides — written for RT students, clinicians, and educators.
ABG Interpretation Guide
Step-by-step arterial blood gas analysis from normal values to mixed disorders.
Ventilator Modes Guide
AC, SIMV, PRVC, PSV, and APRV explained with clinical settings and use cases.
Oxygen Devices Guide
Nasal cannula to HFNC — FiO₂ ranges, device selection, and clinical considerations.
NIV / BiPAP / CPAP Guide
Non-invasive ventilation indications, settings, patient selection, and troubleshooting.
Why RTB2?
RTB2 helps respiratory therapists, students, and clinicians access practical educational resources, bedside references, and mobile tools quickly.
Educational Guides
In-depth clinical articles covering ventilation, ABGs, oxygen therapy, critical care, medications, and more.
Fast Clinical References
Quick-access tools and calculators designed for use at the bedside or during study sessions.
Built for RT Professionals
Written by respiratory therapists for RTs, students, and educators — clinically accurate and clearly explained.
Latest Learning Articles
Free clinical education updated regularly — ventilation, ABGs, critical care, and more.
Rapid Sequence Intubation Overview
Indications, pre-oxygenation, induction agents, NMBAs, and tube confirmation.
Pulmonary Function Test Basics
Spirometry, lung volumes, DLCO, obstructive vs restrictive patterns, and GOLD staging.
COPD Exacerbation Management
Assessment, oxygen titration, bronchodilators, NIV, and ICU escalation strategies.
Respiratory Therapy Tools & References
Quick access to the most commonly searched RT tools, calculators, and references.
Ventilator Modes Guide
Reference guide to common ventilator modes including AC, SIMV, PRVC and more.
RT Calculators
Essential calculations including ideal body weight, tidal volume, and oxygen ratios.
Oxygen Tank Duration
Calculate oxygen tank duration for patient transport and emergency planning.
Respiratory Medications
Quick access to respiratory medications, dosages, and clinical indications.
RT Licensure Guide
State-by-state respiratory therapy licensure and credentialing resources.
Learning Center
Free clinical guides covering ventilation, ABGs, oxygen therapy, critical care, and medications.
Take RTB2 Anywhere
Use RTB2 on iPhone and Android for quick bedside access. Offline-capable — all references available without an internet connection.
Available on iOS and Android










RTB2 is an educational reference tool. Not intended for clinical decision-making. Read Disclaimer
Stay Updated with RTB2
Get updates about new Respiratory Therapy tools, clinical calculators, ventilator guides, and evidence-based respiratory care resources.
Built by Respiratory Therapists for Respiratory Therapists.

