Learn about bronchiolitis, including causes, symptoms, diagnosis, treatment, risk factors, and respiratory care for infants.
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.
Pulmonary Hypoplasia: Causes, Symptoms, and Treatment
Learn about pulmonary hypoplasia, including causes, signs, PPHN, respiratory complications, and treatment for underdeveloped lungs.
Neonatal Pneumonia: Causes, Symptoms, and Treatment
Learn about neonatal pneumonia, including causes, risk factors, symptoms, diagnosis, treatment, and respiratory care for newborns.
Transient Tachypnea of the Newborn (TTN): An Overview
Learn about transient tachypnea of the newborn (TTN), including causes, symptoms, risk factors, diagnosis, treatment, and recovery.
Neonatal Respiratory Distress Syndrome (RDS): An Overview
Learn about neonatal respiratory distress syndrome (RDS), including causes, symptoms, diagnosis, surfactant therapy, and treatment.
Neonatal and Pediatric Assessment in Respiratory Care (2026)
Learn the key steps of neonatal and pediatric patient assessment, including vital signs, respiratory distress, Apgar scoring, and exams.
Cardiac Electrophysiology: Key Concepts in Respiratory Care
Learn cardiac electrophysiology basics, including heart conduction, ECG waves, intervals, arrhythmias, and rhythm interpretation.
Regulation of Breathing: How the Body Controls Ventilation
Learn how regulation of breathing controls respiratory rate, depth, oxygen, COâ‚‚, and acid-base balance through neural and chemical signals.
GlideScope Intubation: Video Laryngoscopy Clinical Guide
Learn how GlideScope intubation works, including its purpose, technique, benefits, risks, troubleshooting, and role in airway management.
Hantavirus Pulmonary Syndrome (HPS): Signs, Causes, and Risks
Learn about Hantavirus Pulmonary Syndrome (HPS), its causes, symptoms, transmission, and why early treatment is critical for survival.
How Often Do You Need to Get a Pneumonia Shot? (2026)
Learn how often you need a pneumonia shot, who should get it, and why timing matters for protecting your lung health.
Oxygenation: Physiology and Assessment in Respiratory Care
Learn about oxygenation, including physiology, assessment, oxygen therapy, and key concepts for managing hypoxemia in clinical practice.
PaO2/FiO2 Ratio (P/F Ratio): Calculation and Clinical Uses
Learn how the PaO2/FiO2 ratio (P/F ratio) assesses oxygenation, its calculation, interpretation, and role in ARDS and respiratory care.
Lukens Trap: Purpose, Setup, and Clinical Applications
Learn how the Lukens trap works, when to use it, and how it helps collect sterile sputum samples for accurate diagnosis and treatment.
Sputum Induction: Overview, Procedure, and Key Concepts
Learn how sputum induction works, including indications, procedure steps, safety precautions, and its role in diagnosing lung diseases.
Blood Pressure: Physiology and Clinical Implications
Learn blood pressure basics, including physiology, regulation, causes of hypo and hypertension, and its role in perfusion and patient care.
Transcutaneous Blood Gas Monitoring in Respiratory Care
Learn how transcutaneous blood gas monitoring measures PtcO2 and PtcCO2, its clinical uses, benefits, limitations, and interpretation.
Pulmonary Rehabilitation: Management of Chronic Lung Disease
Learn how pulmonary rehabilitation improves breathing, exercise tolerance, and quality of life in patients with chronic lung disease.
Hyperpnea: Causes, Mechanisms, and Clinical Significance
Learn what hyperpnea is, its causes, mechanisms, and clinical significance, and how it differs from hyperventilation in patient assessment.
Hypocapnia: Causes, Symptoms, and Clinical Management
Learn what hypocapnia is, its causes, symptoms, ABG findings, and how it affects acid-base balance and ventilation in clinical practice.