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.
Agonal respiration is usually used in connection with cardiac arrest patients, while Cheyne-Stokes respiration is used to describe a person whose breathing patterns fluctuate between, shallow, deep and rapid. Apnea, or momentary lack of breathing, may also be present.