What does ECG stand for in cardiology?

In cardiology, ECG is an abbreviation that stands for Electrocardiogram. An electrocardiogram is a test that records the electrical activity of the heart over a period of time, using electrodes placed on the skin. This test is crucial for diagnosing various heart conditions, as it provides insights into the heart's rhythm, size, and overall health.

The term "Electrocardiography" refers to the process or technique of recording the electrical activity of the heart, which is related but distinct from the actual graphical output that is produced, known as the electrocardiogram itself.

The other options, such as "Emergency cardiac graph" and "Electronic cardio generator," do not represent any established medical terminology or practice in cardiology. Therefore, the most accurate representation of ECG in this context is indeed Electrocardiogram.