Hypoxia occurs when your body or certain parts don’t get enough oxygen, which can affect how well your organs work and even pose serious health risks. Understanding the signs and causes of hypoxia is key to acting quickly and keeping yourself or others safe.
Respiratory arrest means breathing has stopped. Learn what it means in first aid, what to do immediately, and when CPR is needed.
Apnoea means breathing stops for a period of time. Learn what the term means and when to go to the main respiratory arrest first aid page.
Airway obstruction happens when something blocks the flow of air to the lungs, making it hard to breathe and risking serious harm. Recognizing the signs early and acting quickly can save a life by clearing the airway and restoring proper breathing.