Learn about Hantavirus Pulmonary Syndrome (HPS), its causes, symptoms, transmission, and why early treatment is critical for survival.
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 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.
Hypoxia: Causes, Mechanisms, and Clinical Implications
Learn what hypoxia is, its causes, mechanisms, symptoms, and treatment strategies for improving tissue oxygenation and patient outcomes.
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.