21. He has paroxysmal atrial fibrillation, which produces brief bursts of irregular heart rhythm. 22. Paroxysmal hemicrania is classified by the frequency and duration of attacks experienced by patients.23. Stimulation of this receptor type has been associated with paroxysmal spikes similar to seizures. 24. Whether the effects of pertussis toxin are responsible for the paroxysmal cough remains unknown. 25. Paroxysmal cold hemoglobinuria is treated by removing the underlying cause, such as infection.26. This indicated that increased dopaminergic transmission could contribute to PED and other paroxysmal dyskinesias. 27. It was initially approved to treat paroxysmal nocturnal hemoglobinuria, a rare blood disorder. 28. Benign paroxysmal torticollis disappears in the early years of life with no medical intervention. 29. In his determination to communicate, he would put himself into an almost paroxysmal state. 30. This cough is usually paroxysmal in nature.