What term describes a fast heart rate exceeding 100 beats per minute?

• A. Tachycardia
• B. Bradycardia
• C. Tachypnea
• D. Bradypnea

Answer: (A)

The term that describes a fast heart rate exceeding 100 beats per minute is tachycardia. This condition is characterized by an elevated heart rate, which can occur due to various factors such as physical activity, stress, fever, or underlying medical conditions. Tachycardia is significant in a clinical context as it may indicate an increased workload on the heart, potentially leading to complications if not managed appropriately.

In contrast, bradycardia refers to a slower than normal heart rate, typically defined as fewer than 60 beats per minute. Tachypnea describes an increased respiratory rate, while bradypnea indicates a slower respiratory rate. Understanding these terms is essential as they help in assessing cardiovascular and respiratory health in patients.