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.
We assume you are converting between nanometre and metre. You can view more details on each measurement unit: nanometers or meters. The SI base unit for length is the metre. 1 metre is equal to 1000000000 nanometers, or 1 meters. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between nanometres and metres. Type in your own numbers in the form to convert the units!