QRS
Noun
Meaning
QRS (plural QRSs)
(medicine) A QRS complex.
Examples
Modern equivalents of the player piano include the Bösendorfer CEUS, Yamaha Disklavier and QRS Pianomation, citation using solenoids and MIDI rather than pneumatics and rolls.
This usually appears on an EKG with a normal QRS complex accompanied with an inverted P wave either before, during, or after the QRS complex.
Much can be learned by observing the QRS morphology (named for the respective portions of the polarization/repolarization waveform of the wave, P,Q,R,S,T wave).
QRSS derives from the standard Q code used in radio communications, where "QRS?" asks "Shall I send more slowly?" and "QRS" requests "Send more slowly".