the study of the anatomy, normal functions, and disorders of the heart. The medical field dedicated to diagnosing and treating diseases of the heart and cardiovascular system. See Interventional cardiology, Nuclear cardiology.. APC, or atrial premature complex (or beat) is a beat that arise in the atria of the heart from outside the normal mechanism of heartbeats. It's very common and doesn't portend any bad prognosis. It increase with age, smoking, coffee intake, alcohol intake, and stress, and also with heart and lung disease.
A nanometer is a unit of spatial measurement that is 10-9 meter, or one billionth of a meter. It is commonly used in nanotechnology, the building of extremely small machines. This was last updated in September 2005.
The main difference between analog and digital multimeter is that the analog multimeter consists of a continuous scale over which a deflecting needle indicates the value to be measured, whereas, in digital multimeters, a digital display directly shows the value. What is an Analog Multimeter. An analog multimeter is shown below: Difference Between Analog and Digital Multimeter â Analog Multimeter. To take a reading, firstly, the type of measurement (voltage, current, or resistance and whether the current is alternating or direct) and the expected range needs to be selected from the large dial below.