tachyarrhythmia tach·y·ar·rhyth·mi·a (tāk’ē-ə-rĭð’mē-ə)
An excessively rapid heartbeat accompanied by arrhythmia.
- Tachycardia-bradycardia syndrome
tachycardia-bradycardia syndrome n. A syndrome characterized by alternating periods of slow and rapid heartbeat.
tachycardiac tach·y·car·di·ac (tāk’ĭ-kär’dē-āk’) adj. Of, relating to, or affected by tachycardia.
noun 1. tachygraphic writing. 2. a person who writes or is skilled in writing tachygraphy.
noun 1. shorthand, especially the ancient Greek and Roman handwriting used for rapid stenography and writing. noun 1. shorthand, esp as used in ancient Rome or Greece