Causes of T-Wave Abnormality on an EKG. Abnormal T-Waves on an EKG aren't necessarily an indicator of a problem. However, they could cause your doctor to want to do further testing. The heart has its independent electrical systemâ a network of nerves located throughout all its chambers, which mediate electrical impulses that enable chambers to contract in a synchronized rhythm and sequence.
Chronometric definition, a timepiece or timing device with a special mechanism for ensuring and adjusting its accuracy, for use in determining longitude at sea or for any purpose where very exact measurement of time is required. See more.
Definition. A chronograph is a watch with timekeeping capability as well as the ability to function as a stopwatch. A chronograph can be equipped with as few as one or as many as four sub-dials, depending upon the precision and design of the watch. chronograph is any watch with a separate stopwatch feature, and its precision can vary; but chronographs tend to be very precise, as they are usually offered on high-end Swiss timepieces. A chronometer, however, is an officially certified chronograph whose precision has been tested.