For example, a certain maize variety grown in a cool climate will need less water per day than the same maize variety grown in a hotter climate. It is therefore useful to take a certain standard crop or reference crop and determine how much water this crop needs per day in the various climatic regions.
An implantable cardioverter defibrillator (ICD) looks very similar to a pacemaker, except that it is slightly larger. It has a generator, one or more leads, and an electrode for each lead. These components work very much like a pacemaker.
Pacemaker/ICD Technician. Cardiac pacing is a widely accepted treatment for patients with a malfunctioning natural pacemaker, which causes the heartbeat to be too fast, too slow, irregular, or to present a blocked electrical pathway.n addition to being a life-saving procedure, pacemaker implantation restores regular heart rhythm and improves patient quality of life. The Pacemaker/ICD Technician is trained to participate in the care of patients requiring cardiac device therapy.