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