Calculate venous blood gas (VBG) values to assess pH, COâ‚‚, bicarbonate, and acid-base status using this simple VBG calculator tool.
John Landry, BS, RRT
John Landry is a registered respiratory therapist from Memphis, TN, and has a bachelor’s degree in kinesiology. He enjoys using evidence-based research to help others breathe easier, live healthier, and improve their overall quality of life.
Dead Space/Tidal Volume (VD/VT) Ratio Calculator
Calculate the VD/VT ratio to assess dead space ventilation and evaluate gas exchange efficiency in respiratory care.
Alveolar-Arterial (A-a) Gradient Calculator
Calculate the A-a gradient to assess oxygen transfer and help evaluate causes of hypoxemia using ABG and oxygen data.
Airway Resistance Calculator
Calculate airway resistance using peak pressure, plateau pressure, and flow to assess ventilator mechanics and airflow obstruction.
Anion Gap Calculator
Calculate the anion gap using sodium, chloride, and bicarbonate to help assess metabolic acidosis and acid-base status.
PaO2/FiO2 (P/F) Ratio Calculator
Use this PaOâ‚‚/FiOâ‚‚ (P/F) ratio calculator to assess oxygenation status, evaluate ARDS severity, and guide respiratory care decisions.
Minute Ventilation (VE) Calculator
Calculate minute ventilation (VE) from respiratory rate and tidal volume, with a clear guide to normal values, dead space, and CO2 clearance.
Ideal Body Weight (IBW) Calculator
Enter height and sex to calculate ideal body weight (IBW), plus a clear guide to predicted body weight and lung-protective ventilation.
Glasgow Coma Scale (GCS) Calculator
Calculate a Glasgow Coma Scale (GCS) score from eye, verbal, and motor response, plus a clear guide to what the total means clinically.
Mean Arterial Pressure (MAP) Calculator
Calculate mean arterial pressure (MAP) from systolic and diastolic BP, plus a clear guide to normal ranges and what MAP means clinically.
Arterial Blood Gas (ABG) Calculator
Use our accurate arterial blood gas (ABG) calculator tool to quickly analyze ABG results for learning, analysis, and interpretation.
Modified Allen Test for Radial Artery Blood Sampling
Learn how the modified Allen test checks collateral circulation before radial artery puncture for safer arterial blood gas (ABG) sampling.
Acid-Base Balance: Key Concepts for Respiratory Care
Learn about acid-base balance, ABG values, compensation, and respiratory and metabolic disorders in respiratory care.
Suctioning in Respiratory Care: Key Clinical Concepts
Learn about suctioning, including the indications, techniques, equipment, and safety tips for airway clearance in respiratory care.
PFT Equipment: Devices Used in Pulmonary Function Testing
Learn about PFT equipment, including spirometers, flow sensors, gas analyzers, and other devices used in pulmonary function testing.
Pulmonary Function Testing (PFT): Clinical Overview
Learn about pulmonary function testing (PFT), including the types, normal values, interpretation, and clinical uses in respiratory care.
Top 10 Early Warning Signs of Heart Failure
Learn about the early warning signs of heart failure, including swelling, shortness of breath, fatigue, cough, and rapid weight gain.
Triage Systems Used in Mass Casualty Incidents
Learn how triage systems guide patient priority during mass casualty incidents, disasters, and limited-resource emergencies.
Medical Record Components in Respiratory Care Practice
Learn how medical records guide respiratory care decisions, provider orders, documentation, patient safety, and clinical practice.
Ventilator-Induced Diaphragm Dysfunction (VIDD)
Learn how ventilator-induced diaphragm dysfunction (VIDD) causes muscle weakness, weaning failure, and prolonged mechanical ventilation.