In medical terms, "cardi/o" is a combining form or prefix that means "heart". It is used to form a wide range of medical words related to the heart, such as "cardiology" (the study and treatment of heart diseases), "cardiomyopathy" (disease of the heart muscle), and "cardiac arrest" (sudden loss of heart function).
Examples of medical terms using "cardi/o"
- Cardiologist: A doctor who specializes in the heart.
Electrocardiogram (ECG or EKG): A test that records the electrical activity of the heart. Cardiovascular: Relating to the heart and blood vessels.