flatliner — English Dictionary

Noun

1. An angler who uses a flatline.

2. A patient with no heartbeat.

   Usage

   • Rare

   Examples

   […]unless my heart stops, okay? Nada — unless I'm a flatliner."

   In spite of his dramatic highs and the canyon lows, Kurt was a flatliner—a patient with no heartbeat.

   More examples (1)

   Though occasionally a “flatliner” can be revived with a defib, it is most commonly used to change the uncoordinated contractions of the heart (fibrillation) into a normal sinus rhythm—that is, to defibrillate the heart.