What is the recommended chest compression rate for adult CPR?

• A. 80–100 per minute
• B. 100–120 per minute
• C. 120–140 per minute
• D. 60–80 per minute

Answer: (B)

During adult CPR, the speed of chest compressions is key to keeping blood flowing to the heart and brain. The recommended rate is 100 to 120 compressions per minute. This tempo provides enough perfusion without rushing to a point where depth suffers or chest recoil isn’t fully allowed. If the rate drops too slowly, coronary and cerebral perfusion decline, reducing the chances of survival. If the rate goes too fast, compressions tend to be shallower and less effective, and fatigue can degrade quality. So aim for a steady cadence within 100–120 per minute, while also maintaining about 2 inches (5 cm) of depth, full chest recoil, and minimizing interruptions.