1) Cardiac electrophysiology 2) Debut single 3) Fictional dimension
Found on
https://www.crosswordclues.com/clue/flatline
A flatline is an electrical time sequence measurement that shows no activity and therefore, when represented, shows a flat line instead of a moving one. It almost always refers to either a flatlined electrocardiogram, where the heart shows no electrical activity (asystole), or to a flat electroencephalogram, in which the brain shows no electrical ...
Found on
http://en.wikipedia.org/wiki/Flatline
No exact match found.
