Learn about pulmonary vascular disease, including types, pathophysiology, and why it matters to respiratory therapists and respiratory 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.
Pleural Diseases: Overview and Practice Questions (2026)
Learn what pleural diseases are, common types, causes, and why they matter in respiratory care and clinical practice.
Tracheal Disorders: Types, Symptoms, and Treatment (2026)
Learn about tracheal disorders, including causes, symptoms, diagnosis, and treatment options for conditions that affect the trachea.
Cyanosis: Overview and Practice Questions (2026)
Learn what cyanosis is, its causes, and why it matters in respiratory care, including assessment, types, and clinical significance.
Interstitial Lung Disease: Overview and Practice Questions
Learn what interstitial lung disease is, its causes, imaging features, and why it’s important in respiratory care and therapy practice.
How to Perform a Patient Assessment: An Overview (2026)
Learn how to perform a patient assessment in respiratory care with step-by-step guidance on evaluation and clinical care planning.
Hemothorax: Overview and Practice Questions (2026)
Learn what a hemothorax is, its causes, symptoms, and why it matters in respiratory care and patient management.
Arterial Blood Gas (ABG) Practice Questions and Answers
Boost your ABG interpretation skills with these practice questions and answers on acid-base balance, oxygenation, and sampling techniques.
Fenestrated Tracheostomy Tube: Purpose and Function
Learn what a fenestrated tracheostomy tube is, how it works, and why it’s used for speech, weaning, and decannulation.
Subcutaneous Emphysema: Overview and Practice Questions
Learn what subcutaneous emphysema is, its causes, clinical signs, and why it matters in mechanical ventilation and respiratory care.
Cape Cyanosis: Clinical Presentation, Causes, and Treatment
Learn what cape cyanosis is, how it presents, its underlying causes, pathophysiology, and why it signals a serious oxygenation emergency.
Acute Bronchitis: Overview and Practice Questions (2026)
Learn about acute bronchitis, including causes, symptoms, treatment, and why it is important in respiratory care and clinical practice.
Are the Lungs a Muscle? (2026)
Learn whether the lungs are a muscle, how they function in breathing, and which muscles actually control airflow in the body.
PRN Meaning: Medical Abbreviation and Definition (2026)
Explore the medical abbreviation and meaning of PRN in healthcare, a Latin phrase that stands for “pro re nata,” which means “as needed.”
Respiratory Therapist Salary: Listed by State (2026)
Discover the average respiratory therapist salary for each state and the factors that affect the annual and hourly rates.
Phlegm After Eating: Causes, Treatment, and Prevention
Learn why phlegm increases after eating, including common triggers like reflux, food sensitivities, and respiratory conditions.
Monitoring During Mechanical Ventilation: An Overview (2026)
Learn how mechanical ventilation monitoring ensures patient safety by tracking ventilation, oxygenation, hemodynamics, and clinical trends.
The 7 Potential Benefits of Cloves for Lung Health (2026)
Discover the potential benefits of cloves for lung health, including anti-inflammatory, antioxidant, and immune-supporting properties.
Gastroesophageal Reflux Disease (GERD) and the Lungs (2026)
Learn what GERD is, how it affects the lungs, and why it matters in respiratory care, asthma, chronic cough, and aspiration risk.
Can a Mute Person Cough? (2026)
Learn whether a mute person can cough, how the cough reflex works, and why speech ability does not affect this protective airway response.