A combination of the Q wave, R wave and S wave, the “QRS complex” represents ventricular depolarization. This term can be confusing, as not all ECG leads contain all three of these waves; yet a “QRS ...

(Also note: to see each image as an enlarged pdf, click on the word “enlarge” at the end of each caption.) Electrocardiography (ECG) is the science of converting the ionic depolarization of the heart ...

Redmond, Wash – Physio-Control, Inc., a global leader in emergency medical solutions and wholly‐owned subsidiary of Medtronic, Inc., (NYSE: MDT), today announced commercial availability of the ...