When hospitalized, a patient with a severe heart condition is usually treated in a cardiac care unit (CCU). An electr/o/cardi/o/gram (EKG or ECG) may be performed to assess heart function. -gram is...

When hospitalized, a patient with a severe heart condition is usually treated in a cardiac care unit (CCU). An electr/o/cardi/o/gram (EKG or ECG) may be performed to assess heart function.

-gram is the suffix meaning record, image, or picture. electr/o is the combining form for electrical. Give the meaning of electr/o/cardi/o/gram. **_________________________________________ .