BLS Basic life support (Latest 2020 AHA)
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Adult chest compressions in CPR Quiz
1.
Why is chest recoil important
1
Heart can get injured if there’s no recoil
Chest recoil helps with oxygenation
Increased chest pressures impair blood flow returning to the heart
Ribcage gets strengthened with recoil
2.
Regarding depth of chest compressions
1
Compress 1/3rd the chest
Compress 5cm depth
Compress as deep as possible
Compress upto 4cm in adults
3.
What happens with interruptions in chest compressions?
1
Perfusion pressures go down
Rescuers get tired
Improved output from heart
Drastic improvement in perfusion
4.
Position of your hands during Chest compressions
1
At 90 degrees to the floor, with elbows bent to 90 degrees
At 90 degrees to the floor, with straight elbows
Place them close to the neck
Place them at the center of abdomen
5.
For chest compressions to be effective, the surface should be
1
Flat and firm
It doesn’t matter
Soft and fluffly to avoid injuries
Surface with a bump in middle
6.
Which is not a feature of high quality CPR
1
Minimize chest recoil
A rate of 100-120 compressions/min
Minimize interruptions
Depth of 1/3rd chest diameter (2inches/5cms)
7.
What happens when you compress at a faster rate than recommended 100-120 / min?
1
Oxygen cannot reach lungs
You might break the ribcage
You will get tired faster
Heart chambers will not have time to refill
