tremor

(tre’mor) (L. from trem’ere to shake]. An involuntary trembling or quivering. arsenic t., a tremor resulting from arsenic poisoning. coarse t., a tremor in which the vibrations are slow. continuous t., a persistent tremor resembling that of paralysis agitans. t. cor’dis, palpitation of the heart. epileptoid t., intermitting clonic spasm with tremor. fibrillary t., that which is due to alternate contraction of the different fibrils of a muscle: fibrillation. fime t., a tremor in which the vibrations are rapid. forced t., a movement persisting after voluntary motion, due to the intermittent stimulation of the nerve centers. hysteric t., tremor seen in hysteria, and dependent upon uncertain nervous impulse. intention t., tremor on attempting voluntary motion; a tremor of the limbs characteristic of di eminated sclerosis. intermittent t., tremor seen in hemiplegia or when attempts at voluntary movement are made.. mercuria‘lis, a kind 65 1025 TRI ACETIN of paralysis agitans due to mercurial poisoning. metallic t., a tremor seen in various metallic poisonings. t. opiophago’rum, the tremor of opium users. pa ive t., a tremor occurring only when the patient is at rest. persistent t., a tremor occurring whether the patient is at rest or in motion. t. potato’rum, ‘trembling of drinkers’; delirium tremens. purring t., a thrill, like the purring of a cat, felt by the hand placed over the heart, and due to mitral stenosis. Rendu’s t., a hysteric intention tremor. t. ten’- um, “trembling of the tendons’; subsultus tendinum. volitional t., a trembling of the entire body during voluntary effort: it is seen in multiple sclerosis.