All of the important numbers/ratios you need to know for CPR
6 to 8
3 to 5
5 to 6
12 to 20
5
2 to 3
3 to 5
5 to 6
100
60
120
You do not perform compressions on any patient with a pulse.
No more than 2 inches
1 to 1 1/2 inches
At least 2 inches
1/3 their anterior/posterior diameter
No more than 100
60-100
As fast as needed for the patient to regain signs of perfusion
At least 100
30:2
15:2
15:1
30:1
30:2
15:1
30:1
15:2
5
2
3
10
Go call for help immediately, to get an AED on scene.
Perform 2 minutes of CPR, then call for help.
Once every 5 to 6 seconds
Once every 3 to 5 seconds
Once every 6 to 8 seconds
Once every 5 seconds
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
Wait!
Here's an interesting quiz for you.