Learn what hypoxia is, its causes, mechanisms, symptoms, and treatment strategies for improving tissue oxygenation and patient outcomes.
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.
Hyperoxia: Causes, Effects, and Clinical Management
Learn what hyperoxia is, its causes, effects, and how to safely manage oxygen therapy to prevent complications in clinical care.
Hypercapnia: Causes, Symptoms, and Clinical Management
Learn hypercapnia causes, symptoms, ABG findings, and management strategies to improve ventilation and treat CO2 retention effectively.
Hypoventilation: Causes, Effects, and Clinical Management
Learn about hypoventilation, its causes, symptoms, and effects on CO2, pH, and breathing, plus key clinical management strategies.
Hyperventilation: Causes, Effects, and Clinical Management
Learn about hyperventilation, its causes, symptoms, and effects on CO2, pH, and breathing, plus key clinical management strategies.
High-Frequency Chest Wall Compression (HFCW): An Overview
Learn how high-frequency chest wall compression (HFCW) works to mobilize secretions and improve airway clearance in respiratory care.
Heat and Moisture Exchanger (HME): Clinical Uses and Function
Learn how a heat and moisture exchanger (HME) works, including uses, benefits, limitations, and key clinical considerations.
Flow-Volume Loop: Interpretation and Clinical Guide
Learn how to interpret a flow-volume loop, identify patterns, and detect obstructive, restrictive, and upper airway disorders.
Neonatal Mechanical Ventilation: Complete Clinical Overview
Learn neonatal mechanical ventilation, including modes, settings, indications, monitoring, and strategies for safe and effective care.
Respiratory Therapists in the Military: Job Overview (2026)
Learn how respiratory therapists in the military provide care in hospitals, transport, and deployed environments with advanced skills.
Ventilator Management: Key Concepts for Respiratory Care
Learn about ventilator management, including modes, settings, monitoring, troubleshooting, and weaning to improve patient outcomes.
Why Does My Nose Burn? Causes and Simple Remedies (2026)
Learn why your nose burns, including common causes like dryness, allergies, infections, and irritants, plus simple ways to find relief.
Sneezing After a Shower: Causes, Triggers, and Prevention
Learn why you sneeze after a shower, including causes like temperature changes, humidity, and nasal sensitivity, plus tips to prevent it.
Atelectasis: Pathophysiology and Clinical Management (2026)
Learn about atelectasis, including causes, symptoms, diagnosis, and treatment strategies to improve lung function and prevent complications.
Renal Function in Respiratory Care and Acid-Base Balance
Learn how renal function impacts respiratory care, acid-base balance, ABG interpretation, and ventilator management in clinical practice.
Polycythemia: Causes, Diagnosis, and Clinical Management
Learn about polycythemia, its causes, symptoms, and treatment, and how it affects oxygen transport and cardiopulmonary function.
Do Not Resuscitate (DNR) Order: A Clinical Overview (2026)
Learn what a do not resuscitate (DNR) order means, including ethics, patient rights, and how it guides care decisions in clinical practice.
Respiratory Rate: Clinical Relevance in Patient Assessment
Learn how respiratory rate reflects ventilation, guides care, and signals early deterioration in patients across clinical settings.
Needle Decompression for Tension Pneumothorax: An Overview
Learn when and how to perform needle decompression for a tension pneumothorax, including signs, steps, and emergency management principles.
Cystic Fibrosis: Pathophysiology and Clinical Overview
Learn about cystic fibrosis, including causes, symptoms, diagnosis, and treatment strategies for managing this chronic genetic disease.
