DISTANT SPREAD OF TOXIN EFFECT. Postmarketing reports indicate that the effects of DYSPORTÂ® and all botulinum toxin products may spread from the area of injection to produce symptoms consistent with botulinum toxin effects.
Not to be confused with Agonal heart rhythm. Agonal respiration, gasping respiration or agonal breathing is an abnormal pattern of breathing and brainstem reflex characterized by gasping, labored breathing, accompanied by strange vocalizations and myoclonus. Possible causes include cerebral ischemia, extreme hypoxia or even anoxia.
Usually, this gasping or agonal breathing stops within about four minutes, which is why many experts have not recognized this phenomenon so far! Gasping is a survival reflex triggered by the brain and can increase the chances of survival for someone in cardiac arrest. âGasping is an indication that the brain is still alive and it tells you that if you start and continue uninterrupted chest compressions, the person has a high chance of surviving. The challenge is to educate bystanders that if they are helping someone in cardiac arrest, not to mistake gasping for breathing.