7. Wheezing or Gasping
Noisy breathing due to narrowed airways
Common in asthma, bronchitis, or allergic reactions
Gasping indicates severe distress
If someone is gasping or struggling to speak in full sentences — call emergency services.
8. Restlessness or Anxiety
Body senses oxygen shortage → triggers stress response
8. Restlessness or Anxiety
Body senses oxygen shortage → triggers stress response
Feels like panic or unease, even without cause
Often worse at night
Sometimes mistaken for anxiety disorder — but could be respiratory.
What Causes Low Oxygen Levels?
✅
Chronic Lung Diseases
(COPD, emphysema)
Damaged lungs can’t absorb oxygen well
✅
Asthma Attack
Airways constrict, limiting airflow
✅
Pneumonia or Lung Infection
Fluid fills air sacs, blocking oxygen exchange
✅
Pulmonary Embolism
Blood clot blocks lung artery
✅
Heart Failure
Heart can’t pump oxygenated blood effectively
✅
Sleep Apnea
Breathing pauses during sleep → repeated oxygen drops
✅
High Altitude
Less oxygen in the air — especially above 8,000 ft
✅
Anemia
Fewer red blood cells to carry oxygen
Some people with long-term conditions adapt to lower levels — but still need monitoring.
✅ How to Check Your Oxygen Level
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