What does the prefix 'brady-' indicate in medical terminology?

The prefix 'brady-' in medical terminology signifies a slower pace or reduced speed, particularly in relation to physiological processes. It is commonly used in contexts such as "bradycardia," which refers to a slower than normal heart rate. In this case, the term is specifically highlighting a condition where the heartbeat is below the expected range, typically less than 60 beats per minute in adults. This prefix derives from the Greek word "bradys," meaning slow, and is a key component in distinguishing various medical conditions based on rate or frequency. Understanding this prefix is essential for recognizing and correctly interpreting a wide range of medical terms that pertain to slowed functions.