tremor /trem·or/ (trem´er) an involuntary trembling or quivering.
flapping tremor.
flapping tremor
action tremor rhythmic, oscillatory, involuntary movements of the outstretched upper limb; it may also affect the voice and other parts.
coarse tremor one in which the vibrations are slow.
essential tremor a hereditary tremor with onset usually at about 50 years of age, beginning with a fine rapid tremor of the hands, followed by tremor of the head, tongue, limbs, and trunk.
fine tremor one in which the vibrations are rapid.
flapping tremor asterixis.
intention tremor action t.
parkinsonian tremor the resting tremor seen with parkinsonism, consisting of slow regular movements of the hands and sometimes the legs, neck, face, or jaw; it typically stops upon voluntary movement of the part and is intensified by stimuli such as cold, fatigue, and strong emotions.
physiologic tremor a rapid tremor of extremely low amplitude found in the legs and sometimes the neck or face of normal individuals; it may become accentuated and visible under certain conditions.
pill-rolling tremor a parkinsonian tremor of the hand consisting of flexion and extension of the fingers in connection with adduction and abduction of the thumb.
resting tremor tremor occurring in a relaxed and supported limb or other bodily part; it is sometimes abnormal, as in parkinsonism.
senile tremor that due to the infirmities of old age.
volitional tremor action t.
flap·ping tremor (fl p  ng)n. See asterixis. |
flapping tremor.
See asterixis.
flapping tremor
Asterixis Hepatology An involuntary jerking tremor of wide amplitude elicited upon dorsiflexion of the pronated wrist and spreading of extended fingers; in full-blown FTs, there is abrupt flexion of the fingers at the
metacarpophalangeal joint and flexion of the wrist, occurring asynchronously with each other every few secs, due to exaggerated reflexes; bilateral FT is quasi-pathognomonic for metabolic, often alcohol-related, hepatic encephalopathy seen in
end-stage–post-fibrotic cirrhosis due to ↑ blood ammonia Neonatology Coarse bilateral tremors, accompanied by limb rigidity, hyperreflexia, resistance to flexion and extension, described in infants born to heroin-addicted mothers who
undergo 'withdrawal' at birth
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