State one difference between tachycardia and bradycardia.

Explanation

To answer the question, "State one difference between tachycardia and bradycardia," we can follow these steps:

### Step-by-Step Solution:

1. **Define Tachycardia**: Tachycardia is a condition characterized by an increased heart rate. Specifically, it is defined as a heart rate that exceeds 100 beats per minute (bpm) in adults.

2. **Define Bradycardia**: Bradycardia, on the other hand, is a condition characterized by a decreased heart rate. It is defined as a heart rate that falls below 60 beats per minute (bpm) in adults.

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