Learn how the Glasgow Coma Scale (GCS) is used to assess consciousness, guide treatment, and support airway decisions in critical care.
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.
Advance Directive: The Role in Respiratory Therapy (2025)
Learn what respiratory therapists need to know about advance directives, including DNR, DNI, and ethical care decisions.
Advanced Cardiovascular Life Support (ACLS): An Overview
Learn what Advanced Cardiovascular Life Support (ACLS) is and why it’s essential for respiratory therapists in critical care settings.
Air Bronchogram: Key Imaging Sign of Lung Disease (2025)
Learn what an air bronchogram is, what causes it, and why it’s an important radiologic sign in diagnosing lung diseases.
Atelectasis Tips: Respiratory Therapy Examination (2025)
Pass the TMC and CSE exams with these high-yield tips for identifying, treating, and understanding atelectasis.
Medical Gas Therapy: Overview and Practice Questions (2025)
Explore the vital role of medical gas therapy in treating respiratory conditions, including the different gases and delivery systems.
What Do Healthy Lungs Look Like? (2025)
Explore the visual characteristics of healthy lungs and understand the signs of optimal respiratory health.
How to Calculate Pack Years: A Step-by-Step Guide (2025)
Learn how to calculate pack years to assess smoking history and its impact on lung health with this step-by-step guide.
What is an Oxygen Face Tent? (2025)
Explore what an oxygen face tent is and how it delivers comfortable oxygen therapy for patients who can’t use masks or cannulas.
What is a Bubble Humidifier? (2025)
Learn more about bubble humidifiers, their usage in oxygen therapy, operation principles, troubleshooting, and maintenance.
Top 10 Worst Foods for Lung Health to Avoid (2025)
Discover the worst foods for lung health that can trigger inflammation, worsen breathing, and increase the risk of respiratory issues.
What Happens if You Vape On an Empty Stomach? (2025)
Discover what happens when you vape on an empty stomach, including side effects, risks, and how to avoid feeling sick.
The Impact of Climate Change on Respiratory Health (2025)
Discover how climate change affects respiratory health, increasing asthma, allergies, and lung disease risks worldwide.
Air Pollution on Pulmonary Health: A Comprehensive Analysis
Discover how air pollution impacts lung function, causes respiratory diseases, and threatens overall pulmonary health.
E-cigarette or Vaping Use-Associated Lung Injury (EVALI)
Learn about E-cigarette or Vaping Use-Associated Lung Injury (EVALI), its causes, symptoms, and treatment options to protect lung health.
Respiratory Therapy Examination: New NBRC Format in 2027
The NBRC is changing the Respiratory Therapy Examination format in 2027. Learn what to expect and how it affects CRT and RRT credentials.
Why is the Flu Worse This Year? (2025)
Discover why this year’s flu season is more severe than usual and what factors are making it hit harder than in recent years.
Pneumonia Care Plan: Diagnosis, Treatment, and Management
Learn the best strategies for pneumonia diagnosis, treatment, and management with this comprehensive care plan for faster recovery.
Patient Assessment: The 4 Essential Life Processes (2025)
Learn about the four essential life processes—ventilation, oxygenation, circulation, and perfusion—and how to assess them in patient care.
Microplastics in the Lungs: Risks and Protection Strategies
Discover how microplastics enter your lungs, their health risks, and practical strategies to protect your respiratory health.