Learn about noninvasive ventilation (NIV), its types, benefits, applications, and how it supports patients with respiratory conditions.
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.
National Board for Respiratory Care (NBRC)
Learn about the National Board for Respiratory Care (NBRC), its credentials, exams, and standards for respiratory care.
Nasal Flaring: Causes, Clinical Signs, and Assessment
Learn what nasal flaring means, what causes it, and how it helps identify increased work of breathing and respiratory distress.
Mixed Venous Oxygen Saturation (SvOâ‚‚): Key Clinical Insights
Learn how mixed venous oxygen saturation (SvOâ‚‚) reflects oxygen delivery, tissue demand, cardiac output, and overall perfusion.
Modified Borg Dyspnea Scale (MBS): Scoring and Clinical Use
Learn how the Modified Borg Dyspnea Scale (MBS) measures breathlessness, including scoring, clinical uses, and interpretation.
When to Worry About Lung Nodules: Key Warning Signs
Learn when to worry about lung nodules, which warning signs matter, and what tests or follow-up your doctor may recommend.
Spiculated Lung Nodule: What It Means and What Happens Next
Learn what a spiculated lung nodule means, possible causes, cancer risk, symptoms, testing, and when to seek medical care.
Ground Glass Lung Nodule: Causes, Risks, and Treatment
Learn what a ground glass lung nodule means, possible causes, cancer risk, symptoms, testing, and follow-up options.
Lung Nodule Size Chart: What Different Sizes May Mean
Use this lung nodule size chart to learn what different measurements may mean, including follow-up, testing, and cancer risk.
Lung Nodule Removal: What to Know Before, During, and After
Learn when lung nodule removal may be needed, how surgery is performed, what recovery is like, and what biopsy results can reveal.
Is a Lung Nodule Always Cancer?
Learn why a lung nodule is not always cancer, what benign causes are common, and when follow-up testing may be needed.
Can Lung Nodules Go Away on Their Own?
Learn whether lung nodules can go away on their own, why some disappear, and when follow-up testing may still be needed.
PET Scan for Lung Nodule: What It Means and What to Expect
Learn why a PET scan may be used for a lung nodule, what results can mean, and when follow-up testing may be needed.
Lung Nodule: Types, Causes, Symptoms, and Treatment
Learn about lung nodules, including common causes, types, symptoms, cancer risk, diagnosis, follow-up, and treatment options.
Abnormal Lung Sounds: Types, Causes, and Warning Signs
Learn what common lung sounds, such as wheezing, crackles, and rhonchi, may mean, including possible causes and warning signs.
Muscular Dystrophy: Key Concepts in Respiratory Care
Learn how muscular dystrophy affects breathing, cough strength, airway clearance, and the need for respiratory support.
Mucus Plug in the Lungs: Causes, Signs, and Treatment
Learn what a mucus plug in the lungs is, including causes, symptoms, airway obstruction risks, ventilator signs, and treatment options.
Minute Ventilation: Formula, Meaning, and Key Concepts
Learn what minute ventilation is, how to calculate it, and why it matters for COâ‚‚ removal, ventilator settings, and patient care.
Methylxanthines in Respiratory Care: Uses and Key Concepts
Learn about methylxanthines in respiratory care, including theophylline, caffeine, clinical uses, side effects, and toxicity risks.
Mandatory Minute Ventilation (MMV): Mode and Key Concepts
Learn what mandatory minute ventilation (MMV) is, how this mode works, and why it helps support weaning while preventing hypoventilation.