As a noun bradycardia is
the condition of having a slow heartbeat, defined as under 60 beats per minute for an adult.
tracycardia
Not English
Tracycardia has no English definition. It may be misspelled. bradycardia
Noun
The condition of having a slow heartbeat, defined as under 60 beats per minute for an adult.
Synonyms
* brachycardia
Derived terms
* bradycardiac
* bradycardic
See also
* tachycardia