Top 5 CPR Mistakes and How to Avoid Them

When an emergency strikes, knowing how to perform CPR can make the difference between life and death. However, even with training, beginners often make common mistakes that can reduce the effectiveness of this life-saving procedure. Here are the top 5 CPR mistakes and actionable tips to avoid them:


1. Not Starting CPR Immediately

The Mistake:
Hesitating to begin CPR because of fear of doing it wrong or waiting too long to assess the situation.

Why It Matters:
Every second counts in an emergency. Delayed CPR can decrease the chance of survival significantly as oxygen supply to the brain and vital organs diminishes.

How to Avoid It:

  • Quickly assess if the person is unresponsive and not breathing or only gasping.
  • Call 911 immediately or direct someone to do so.
  • Begin chest compressions right away—any attempt is better than no attempt.

2. Incorrect Hand Placement

The Mistake:
Placing hands too high, too low, or on the wrong part of the chest during compressions.

Why It Matters:
Improper hand placement reduces the effectiveness of chest compressions, making it harder to pump blood to the heart and brain.

How to Avoid It:

  • Place the heel of your hand on the center of the chest, on the lower half of the breastbone.
  • Interlock your fingers, keeping your elbows straight, and position your shoulders directly above your hands.
  • Practice hand placement during training sessions to build muscle memory.

3. Incorrect Compression Depth and Rate

The Mistake:
Compressing too shallowly, too deeply, or at the wrong speed.

Why It Matters:
Shallow compressions don’t generate enough blood flow, while overly deep compressions risk injury. A rate that’s too slow or fast can also reduce effectiveness.

How to Avoid It:

  • Compress the chest at a depth of 2 inches for adults, allowing the chest to fully recoil between compressions.
  • Maintain a rate of 100–120 compressions per minute—you can follow the rhythm of songs like It’s My Life by Bon Jovi or I Can See Clearly Now by Jimmy Cliff for guidance.

4. Forgetting to Call 911

The Mistake:
Focusing solely on performing CPR and neglecting to activate emergency medical services.

Why It Matters:
CPR is critical, but it’s a temporary measure to sustain life until advanced medical care arrives.

How to Avoid It:

  • Always call 911 first (or assign someone else to do so) before starting CPR.
  • For children, infants or a drowning victim, if you’re alone and don’t have immediate access to a phone, perform CPR for 2 minutes before quickly calling 911 yourself.

5. Not Using an AED When Available

The Mistake:
Failing to use an Automated External Defibrillator (AED) because of fear, lack of knowledge, or overlooking its availability.

Why It Matters:
An AED can deliver a life-saving shock to restore a normal heart rhythm in cases of cardiac arrest. Without it, CPR alone may not be enough.

How to Avoid It:

  • Familiarize yourself with AEDs during training, including how to locate and operate one.
  • Follow the AED’s prompts—it will guide you through each step and only deliver a shock if necessary.
  • If an AED is available, use it immediately while continuing CPR as directed.

Final Thoughts: Practice and Preparation Save Lives

The best way to avoid these mistakes is to stay prepared. Regular CPR training ensures that you’re confident and capable when it matters most. Whether you’re at home, work, or in the community, being ready to act can save lives.

Ready to sharpen your CPR skills?
Join one of our engaging, hands-on CPR classes taught by certified professionals. Contact us today at 844-900-7233 or on our contact form to schedule your training session and ensure you’re ready to respond when every second counts.

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