词根词缀：cardio-, cardi-, card-

【来源及含义】Greek: heart, pertaining to the heart

【相关词根词缀】 A cross reference of another word group that is related to: "heart": cor-, cord-.

【同源单词】acardia, acardiac, acardiotrophia, acardius, acleistocardia, acute myocardial infarction

词根词缀：rhythm-, rhythmo-

【来源及含义】Greek: regularly recurring motion; measured motion

【同源单词】accelerated idioventricular rhythm, allorhythmia, allorhythmic, alpha rhythm, anisorhythmia, anisorrhythmia

词根词缀：tacho-, tach-, tachy-

【来源及含义】Greek: fast, speed, swift, rapid

【同源单词】acestachy, acrotach, auxetachy, bradypnea, cardiotachy, hemotachometer