Learn how capillaries enable gas exchange, support circulation, and play a vital role in respiratory care and overall health.
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.
How Does Esophageal Cancer Kill You? (2025)
Learn how esophageal cancer leads to life-threatening complications, from malnutrition to organ failure and metastasis.
Life Expectancy of a Lung Cancer Patient on Oxygen (2025)
Learn about the life expectancy of lung cancer patients on oxygen, key factors that affect survival, and ways to improve quality of life.
How Fast Do Mediastinal Tumors Grow? (2025)
Discover how fast mediastinal tumors grow, factors that influence their rate, and why early detection is crucial for treatment.
How to Fix a Collapsed Lung (Pneumothorax) at Home? (2025)
Learn why a collapsed lung can’t be treated at home, the warning signs to watch for, and when to seek emergency medical care.
How Fast Does a Blood Clot Travel from the Leg to the Lungs?
Learn how fast a blood clot can travel from the legs to the lungs, the risks of pulmonary embolism, and why early treatment is vital.
Why Do I Cough When I Laugh? (2025)
Discover why laughing can trigger coughing, common causes behind it, and when it may signal an underlying health issue.
Bronchoalveolar Lavage: Overview and Practice Questions
Learn how bronchoalveolar lavage (BAL) aids in diagnosing lung infections, inflammation, and diseases through airway fluid analysis.
Bradypnea: Overview and Practice Questions (2025)
Learn what bradypnea is, its causes, and why recognizing slow breathing is crucial for respiratory therapists and patient care.
Tachypnea: Overview and Practice Questions (2025)
Learn what tachypnea is, its causes, and why recognizing rapid breathing is crucial for respiratory therapists and patient care.
Hemothorax vs. Pneumothorax: What’s the Difference? (2025)
Learn the key differences between hemothorax and pneumothorax, including causes, symptoms, and treatments for each condition.
Bronchoprovocation Study: Overview and Practice Questions
Learn how a bronchoprovocation study detects airway hyperreactivity, aiding in the diagnosis and management of asthma.
Bronchopulmonary Dysplasia: Overview and Practice Questions
Learn what bronchopulmonary dysplasia is, its causes, symptoms, and why it matters for respiratory therapists in neonatal care.
Emphysema vs. Chronic Bronchitis: Board Exam Tips (2025)
Learn the key differences between emphysema and chronic bronchitis, their symptoms, diagnosis, and management in COPD.
Bradycardia: Overview and Practice Questions (2025)
Learn what bradycardia is, its causes, symptoms, and why it’s important for respiratory therapists in patient care.
Tachycardia: Overview and Practice Questions (2025)
Learn what tachycardia is, its causes, symptoms, and why recognizing it is important for respiratory therapists in patient care.
Bronchiectasis vs. Asthma vs. COPD: What’s the Difference?
Discover the key differences between bronchiectasis, asthma, and COPD, including causes, symptoms, and treatment options.
Why Does it Hurt When I Take a Deep Breath on My Left Side?
Discover the common causes of left-sided chest pain when breathing deeply and learn when to seek medical attention.
How Long Can You Have Esophageal Cancer and Not Know? (2025)
Discover how long esophageal cancer can go unnoticed, the subtle signs to watch for, and why early detection is crucial.
Cough That Won’t Go Away for Months: Causes and Treatment
Learn the common causes of a cough that lingers for months and when it’s time to seek medical help for lasting relief.