Synonym for tachycardia ... <clinical sign> The excessive rapidity in the action of the heart, the term is usually applied to a heart rate above 100 per minute and may be qualified as atrial, junctional (nodal) or ventricular and as paroxysmal. ... Origin: Gr. Kardia = heart ... (18 Nov 1997) ... 
Type: Term Pronunciation: pol′ē-kar′dē-ă Synonyms: tachycardia