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.
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.
Why Do I Cough When I Laugh? (2026)
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 (2026)
Learn what bradypnea is, its causes, and why recognizing slow breathing is crucial for respiratory therapists and patient care.
Tachypnea: Overview and Practice Questions (2026)
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? (2026)
Learn the key differences between hemothorax and pneumothorax, including causes, symptoms, and treatments for each condition.
Bronchopulmonary Dysplasia: Overview and Practice Questions
Learn what bronchopulmonary dysplasia is, its causes, symptoms, and why it matters for respiratory therapists in neonatal care.
Bradycardia: Overview and Practice Questions (2026)
Learn what bradycardia is, its causes, symptoms, and why it’s important for respiratory therapists in patient care.
Tachycardia: Overview and Practice Questions (2026)
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? (2026)
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.
Bourdon Gauge: Overview and Practice Questions (2026)
Learn how the Bourdon gauge works, its advantages, limitations, and why it matters in respiratory care and patient transport.
Life After Pneumothorax Surgery: What to Expect? (2026)
Learn what to expect after pneumothorax surgery, from recovery and healing to lifestyle changes for better lung health.
Pectus Excavatum Problems Later in Life: What to Expect?
Discover the long-term problems of pectus excavatum, from breathing issues to heart strain, and how to manage them effectively.
How to Relieve Chest Tightness and Shortness of Breath
Discover effective ways to relieve chest tightness and shortness of breath while improving lung health and overall well-being.
Pectus Excavatum vs. Pectus Carinatum: An Overview (2026)
Learn the key differences between pectus excavatum and pectus carinatum, including symptoms, causes, and treatment options.
Coughing Up Blood Home Remedies and When to Seek Help (2026)
Discover effective home remedies for coughing up blood, plus signs that indicate when you should seek immediate medical attention.
Inspiratory-to-Expiratory Ratio (I:E Ratio): An Overview
Learn what the I:E ratio is, its role in breathing and mechanical ventilation, and why it’s vital in respiratory care.