10 Common CPR Mistakes and How to Avoid Them
Cardiopulmonary resuscitation (CPR) is a lifesaving emergency response technique that helps maintain blood circulation during sudden cardiac arrest. Immediate CPR and early use of an automated external defibrillator (AED) can improve a person’s chances of survival.
However, incorrect compression depth, poor hand placement, and unnecessary interruptions can reduce CPR effectiveness. Understanding these 10 common CPR mistakes can help individuals respond more confidently and effectively during an emergency.
1. Delaying the Start of CPR
Every second matters during cardiac arrest. Hesitating to begin chest compressions can delay the circulation needed to support vital organs.
How to Avoid It: If an adult is unresponsive and not breathing normally, or is only gasping, call 911 and begin CPR immediately. Have someone retrieve an AED if available.
2. Incorrect Hand Placement
Improper hand positioning can reduce compression effectiveness and make it difficult to maintain the correct technique.
How to Avoid It: Place the heel of one hand in the center of the adult’s chest on the lower half of the breastbone. Position your other hand on top, keep your elbows straight, and press directly downward using your upper-body weight.
3. Using Incorrect Compression Depth
Shallow compressions may not generate sufficient blood flow, while excessively deep compressions can increase the risk of injury.
How to Avoid It: For an average adult, compress the chest at least 2 inches (5 cm) deep while avoiding depths greater than 2.4 inches (6 cm). Maintain consistent depth throughout CPR.
4. Performing Compressions Too Fast or Too Slowly
An incorrect compression rate can reduce circulation and interfere with proper compression depth.
How to Avoid It: Maintain 100–120 chest compressions per minute. The rhythm of the Bee Gees’ song “Stayin’ Alive” can help maintain the appropriate pace. Always prioritize proper depth and technique.
5. Failing to Allow Complete Chest Recoil
Leaning on the chest between compressions prevents the heart from refilling effectively with blood.
How to Avoid It: Release downward pressure after each compression, allowing the chest to return completely to its normal position. Maintain hand contact without leaning on the chest.
6. Delivering Rescue Breaths Incorrectly
Excessive ventilation, poor airway positioning, or prolonged pauses can reduce CPR effectiveness.
How to Avoid It: Trained rescuers performing conventional adult CPR should provide two rescue breaths after every 30 compressions. Each breath should last approximately one second and produce visible chest rise.
Untrained bystanders responding to sudden adult cardiac arrest should perform Hands-Only CPR until additional help arrives.
7. Delaying or Failing to Use an AED
An AED analyzes heart rhythm and can deliver a shock when appropriate. Delaying its use can reduce the opportunity for successful defibrillation.
How to Avoid It: Turn on the AED as soon as it becomes available. Follow its instructions, ensure nobody touches the person during rhythm analysis or shock delivery, and resume CPR when directed.
8. Using Poor Body Positioning
Improper positioning can cause fatigue, shallow compressions, and inconsistent CPR technique.
How to Avoid It: Position the person on a firm, flat surface whenever possible. Kneel beside their chest with your shoulders directly above your hands. Use your upper-body weight to perform compressions.
When multiple trained rescuers are available, switch approximately every two minutes to reduce fatigue while minimizing interruptions.
9. Stopping CPR Too Soon
Unnecessary pauses interrupt blood circulation and can reduce CPR effectiveness.
How to Avoid It: Continue CPR until emergency responders take over, the person shows clear signs of life, the scene becomes unsafe, or you cannot physically continue. Pause when instructed by an AED and resume compressions promptly.
10. Failing to Call for Emergency Help
CPR supports circulation but does not replace professional emergency medical care. Delaying emergency activation can postpone critical treatment.
How to Avoid It: Call 911 immediately when cardiac arrest is suspected. If others are present, assign someone to contact emergency services and another person to retrieve an AED while CPR begins.
Why Proper CPR Training Matters
Recognizing common CPR mistakes is important, but hands-on training helps individuals develop the practical skills needed to avoid them.
Professional CPR instruction provides opportunities to practice compression depth, compression rate, rescue breathing, and AED operation under experienced supervision.
For employers, CPR and AED training also supports workplace emergency preparedness by helping employees understand how to recognize cardiac arrest, activate emergency services, and coordinate an appropriate response.
Frequently Asked Questions About CPR Mistakes
How deep should adult CPR compressions be?
At least 2 inches (5 cm), while avoiding depths greater than 2.4 inches (6 cm).
What is the correct CPR compression rate?
The recommended adult compression rate is 100–120 compressions per minute.
Can someone perform CPR without training?
Yes. Untrained bystanders should call 911 and provide Hands-Only CPR for an unresponsive adult who is not breathing normally. Emergency dispatchers can provide instructions.
Conclusion: Avoid CPR Mistakes With Professional Training
Performing CPR correctly requires prompt action, proper chest compressions, and familiarity with AED operation. Understanding common mistakes and practicing appropriate techniques can improve emergency response readiness.
Firefighter Safe provides hands-on CPR, AED, and First Aid training led by experienced firefighter and paramedic professionals. We help businesses and organizations throughout Dayton, Cincinnati, Columbus, Ohio, and across the United States prepare employees for medical emergencies.
Contact Firefighter Safe today to schedule professional CPR training for your workplace.
