palpitation

Noun
  1. A rapid and irregular heart beat (synset 114358502)
    is a type of: symptom - (medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease
  2. A shaky motion (synset 114028057)
    "the shaking of his fingers as he lit his pipe"
    is a type of: motion - a state of change
    subtypes:
    • tremolo - (music) a tremulous effect produced by rapid repetition of a single tone or rapid alternation of two tones
    • tremor - shaking or trembling (usually resulting from weakness or stress or disease)
    same as: quiver, quivering, shakiness, shaking, trembling, vibration

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