2. Slurred speech
Agonal breathing can be caused by many conditions but at its most basic level, it’s the result of a lack of oxygen in your brain — known as cerebral hypoxia. Your brain relies on oxygen to perform even the simplest tasks. If your brain isn’t getting enough oxygen for one reason or another then you’ll find that even things like speaking starts to become a difficult task.
This is why patients who are suffering from agonal breathing generally also have slurred speech. Both symptoms occur together so often because they are caused by the same thing, low levels of oxygen within your brain. If you notice someone suffering from agonal breathing and slurred speech at the same time then this is an indicator that something is seriously wrong and thus you should call for an ambulance immediately. Keep a close eye on the condition of the patient until the ambulance arrives.