What is the maximum heart rate for pacing in bradycardia treatment?

• A. 60 beats per minute
• B. 100 beats per minute
• C. 120 beats per minute
• D. 90 beats per minute

Answer: (B)

When treating bradycardia with pacing, the goal is to raise the heart rate enough to improve perfusion without pushing the heart into tachycardia. A pace that’s too slow won’t relieve symptoms or support blood pressure, while a pace that's too fast can shorten the filling time, raise oxygen demand, and worsen ischemia or heart failure. About 100 beats per minute is a safe upper limit that typically restores adequate cardiac output without overshooting into tachycardia. In many settings, targets fall in the 80–100 bpm range, with adjustments made based on patient response.

Options that are clearly too low (60) might not resolve hypoperfusion in bradycardia, and a rate as high as 120 could cause problems from tachycardia. A rate of 90 is within range but not the maximum safety ceiling, which is why 100 bpm is considered the best upper limit.