Definitions for "QRS"
Qualification Recognition Servicess, a NZQA business unit. ( More details)
A series of wave forms on electrocardiograph representing depolarisation of the ventricles.
the major electrical impulse in the heart that causes the heartbeat and is recorded in an electrocardiogram
Quantitative Restrictions
Keywords:  quasi, random, signal, see
See Quasi-Random Signal.
Keywords:  quick, response, systems
Quick Response Systems
Keywords:  quality, reporting, system
Quality Reporting System.