24 Questions
What is the recommended rate of chest compressions for an adult?
100 to 120 per minute
What is the proper chest compression depth for an adult?
2 to 2.4 inches (5 to 6 cm)
How should you position your body during chest compressions?
With your shoulders above the victim's chest
What can help you keep a smooth and steady rhythm during chest compressions?
Counting a rhyme or phrase, such as 'one and two and three and four'
What is meant by the term 'hard and fast' in the context of chest compressions?
New adult chest compression rate and depth recommendations
What is the result of chest compressions that are too shallow?
Ineffective pumping of oxygenated blood throughout the body
Why is it important to keep your arms straight during chest compressions?
To deliver smooth, straight-down compressions
What is the purpose of keeping your shoulders directly above your hands and the victim's chest?
To deliver smooth, straight-down compressions
What should you do first if you find an unresponsive victim who isn't breathing effectively?
Call for help and yell for someone to call 911
Where should you position the victim for CPR?
On a hard, stable surface like a floor
What is the correct hand position for chest compressions?
On the center of the victim's sternum
Why is it recommended to expose the entire chest during CPR?
To evaluate the adequacy of compressions and rescue breaths
What should you do if you need to leave the victim to call 911?
Place them in the recovery position
What is the correct sequence of CPR steps?
Compressions, Airway, Breathing, Defibrillation
Why is it important to keep your fingertips off the chest during compressions?
To improve the effectiveness of compressions
Who should call 911 in a situation with multiple people nearby?
Someone else in the vicinity
What is the recommended delivery rate for adult chest compressions?
Between 100 and 120 per minute
What can cause rib fractures and damage the victim's heart?
Compressions that are too deep
Why should the chest be allowed to fully recoil before initiating another compression?
To allow the heart chambers to re-fill with blood
What should be done after completing the first 30 chest compressions?
Open the victim's airway
What should be done if spinal trauma is suspected?
Perform compression-only CPR
Why should the rescuer not remove their hands from the victim's chest between compressions?
To keep the hands in the proper position
What is the result of compressions delivered too quickly or too slowly?
Ineffective CPR
How should the victim's airway be opened?
By using the head tilt/chin lift maneuver
Study Notes
Chest Compressions
- Compressions that are too deep (more than 2.4 inches or 6 cm) can cause rib fractures and damage the heart.
- The delivery rate for adult chest compressions should be between 100 and 120 per minute.
- Compressions delivered at a rate less than this will not effectively pump oxygenated blood to the vital organs of the body.
- Compressions delivered too quickly will not effectively circulate blood due to inadequate time for the heart chambers to fill with blood.
- Allow the chest to fully recoil before initiating another compression to enable the heart chambers to refill with blood.
Proper Body Positioning
- Position your body so that your shoulders are directly above your hands and the victim's chest.
- Keep your arms straight for consistently powerful compressions.
Airway
- After completing the first 30 chest compressions (about 15-17 seconds), open the victim's airway by using the head tilt/chin lift maneuver, unless spinal trauma is suspected.
General CPR Guidelines
- Determine if the victim is not responsive and isn't breathing effectively (including gasping) within 10 seconds.
- Begin the following steps: Call for Help, Compressions-Airway-Breathing-Defibrillation.
- Quickly position the victim so they are lying flat on their back on a hard stable surface.
- Position yourself on either side of the victim near their upper chest.
- Expose the entire chest to evaluate the adequacy of compressions and rescue breaths during the resuscitation effort.
Learn about the importance of proper chest compressions in CPR, including the correct rate and depth to effectively pump oxygenated blood to vital organs.
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