The level of carbon dioxide in the blood affects the breathing rate. it also affects the heart rate. how would you expect high levels of carbon dioxide to affect the heart rate?

If there is a high level of carbon dioxide in the blood, the breathing rate would be higher, which makes the heart rate higher as well.

when in a crucial situation, after calling 911, the correct posture for delivering effective compression is the proper hand placement.

first, place two fingers at the sternum, then put the heel of your other hand next to the fingers and place hand on top of the other. lock your elbows by using your body’s weight and compress the victim’s chest with a depth of 2 inches.

moreover, do 15 compression and 2 breaths, this process must be done four times until there is a pulse or a arrive.