Fewer than a hundred cases of paroxysmal dystonia have been described in patients with multiple sclerosis (MS). Even fewer cases of hemidyskinesia triggered by repetitive movements (paroxysmal ...

Paroxysmal nocturnal hemoglobinuria (PNH ... It's not known what triggers the cells to stop working properly, but attacks on the immune system, illness, and stress, have all been linked to ...

Atrial tachycardia is a form of supraventricular tachycardia that occurs when one focus in the atria begins to fire rapidly, overwhelming the sinoatrial node. This results in rapid conduction of ...