Oral Appliances for Sleep Apnea: What a Custom Device Can—and Cannot—Do
A custom oral appliance may be an option for some adults with obstructive sleep apnea. Learn how it differs from CPAP and why follow-up sleep testing matters.
Can a Pulse Oximeter Diagnose COPD? A Canadian Guide
A pulse oximeter cannot diagnose COPD. For World COPD Day, learn how oxygen estimates differ from spirometry and prepare questions for your healthcare provider.
Why Sleep Apnea Oxygen Trends Can Vary From Night to Night
A single night of oxygen data may not represent every night. Learn what overnight pulse oximetry can show, what it cannot diagnose, and why repeated trends matter.
Treatment-Emergent Central Sleep Apnea: What It Means During CPAP
Treatment-emergent central sleep apnea can appear during CPAP treatment for obstructive sleep apnea. Learn what it means, what it does not prove, and how to prepare for a sleep-clinic follow-up.
Radon Testing in Canada: Start Your Home Test This Fall
Start a long-term radon test this fall, understand Canada’s guideline, and learn why blood oxygen readings cannot assess radon in your home.
Negative Home Sleep Apnea Test: What Should You Do Next?
A negative home sleep apnea test can miss obstructive sleep apnea. Learn what the result means, why an in-lab study may be recommended, and how to discuss next steps.
Cold Hands and Pulse Oximeter Readings: A Canadian Guide
Cold fingers can interfere with home oxygen readings. Learn practical measurement checks, device limitations and when to contact a healthcare professional.
Thanksgiving Respiratory Illness Prevention in Canada
Plan a considerate Thanksgiving visit with Canadian advice on illness, indoor air and masks. Learn why an oxygen reading cannot confirm someone is non-infectious.
Sleep Apnea and AFib: Why Overnight Oxygen Drops Matter
Sleep apnea and AFib are connected through repeated nighttime breathing interruptions, oxygen drops, and heart stress. Learn what SpO2 trends can and cannot show.
Can a Pulse Oximeter Detect Carbon Monoxide?
A normal oxygen reading cannot rule out carbon monoxide exposure. Learn the different roles of pulse oximeters, CO alarms and clinical testing this fall.