What is indicated by the suffix "-gram" in medical terminology?

The suffix "-gram" in medical terminology signifies a record or a written representation of data, often pertaining to diagnostic images or graphs. For instance, a "radiogram" refers to an X-ray image, while an "electrocardiogram" (ECG) denotes the graphical representation of the heart's electrical activity. This highlights that "-gram" specifically focuses on the aspect of recording information, which is crucial in medical settings for both diagnosis and further analysis. Understanding this term is essential since it often appears in various medical contexts, making clear documentation and interpretation a vital part of healthcare practices.