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.
Central vs Obstructive Sleep Apnea: Why the Difference Matters
Central and obstructive sleep apnea can both disturb breathing and oxygen levels during sleep, but they have different causes and require professional testing to tell apart.
Oral Appliances for Sleep Apnea: What to Know Before You Try a Mouth Guard
Oral appliances for sleep apnea can help some adults with OSA, but they need professional fitting, follow-up, and testing to confirm effectiveness.
RSV Vaccines in Canada: Fall 2026 Guide for Older Adults
A practical fall 2026 guide to RSV vaccine recommendations, provincial coverage and questions older Canadians can bring to a pharmacist, plus the limits of home oxygen monitoring.
STOP-Bang Score and Overnight Oxygen Drops: When to Ask About Sleep Apnea Testing
STOP-Bang risk factors and overnight oxygen drops can help guide a sleep apnea testing conversation, but neither can diagnose sleep apnea without professional evaluation.
Smartwatch vs Pulse Oximeter: Why Readings Differ
Why do smartwatch and fingertip oxygen readings disagree? A Canadian guide to measurement timing, device limitations and questions for your healthcare provider.