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.
â¢ Tell your other doctors and your dentist that you have. a pacemaker. Certain types of medical equipment may. affect how a pacemaker works. â¢ Tell airport security that you have a pacemaker. A pacemaker is a small device that helps your. heart beat more regularly. It does this with a. small electric stimulation that helps control your. heartbeat. Your doctor puts the pacemaker under. the skin on your chest, just under your collarbone. Itâs hooked up to your heart with tiny wires.