The next step in diagnosis is a 12 lead ECG which can be performed in the doctorsâ office over a short period of time; however this is often non-conclusive in diagnosis because it is not very sensitive and there is only a small chance of a premature ventricular contraction occurring in the short period of time.
Microform is a general term for any material that contains a small image or microreproduction of a document. These document images are usually found on film, however some older formats used cardboard. There are two common film formats: microfilm and microfiche. Microfilm is a roll of film.Microfiche is a flat sheet of film. Since the images are so small, special readers/scanners are used to view the documents.hese document images are usually found on film, however some older formats used cardboard. There are two common film formats: microfilm and microfiche. Microfilm is a roll of film. Microfiche is a flat sheet of film.
Micro is an English prefix of Greek origin that refers to an object as being smaller than an object or scale of focus, in contrast with macro. micro-is a prefix in the SI a â¦ nd other systems of units denoting a factor of 10^â6 or 0.000001 (one millionth).