1, The full form of QRS is an electrocardiographic complex consisting of the Q, R, and S waves. It’s used on Medical ,Tests in Worldwide

QRS complex is a group of waves seen on an electrocardiogram, representing ventricular depolarization. QRS complex is sometimes called the QRS wave. QRS wave in electrocardiogram have been arbitrarily labeled in alphabetical order. The Q wave is a short downwards deflection, the R wave a conspicuous upwards stroke and the S wave a return to below the level of the base-line.

2, The full form of QRS is Quilon Radio Service. It’s used on Business ,Companies & Corporations in India

Quilon Radio Service (QRS) is a retailer network based in Kerala, India. The company was named Quilon Radio Service as it first started its business in Quilon, presently known as Kollam, a state in Kerala, India. QRS started as retailing Philips radios and radiograms, hence the term “Radio” in Quilon Radio Service.

3, The full form of QRS is Quantron/Quantum Resonance System. It’s used on Medical ,Instruments & Equipment in Worldwide

Quantron Resonance System (QRS) or Quantum Resonance System (QRS), in which the former name used more in North America and the latter name in Europe. QRS is a type of Pulsed ElectroMagnetic Field (PEMF) magnetic therapy device.