Adult chest compressions QuizPlease sign up for the course before taking this quiz.Which is not a feature of high quality CPR1 A rate of 100-120 compressions/min Minimize interruptions Depth of 1/3rd chest diameter (2inches/5cms) Minimize chest recoil Why is chest recoil important1 Heart can get injured if there's no recoil Increased chest pressures impair blood flow returning to the heart Chest recoil helps with oxygenation Ribcage gets strengthened with recoil Regarding depth of chest compressions1 Compress 5cm depth Compress upto 4cm in adults Compress 1/3rd the chest Compress as deep as possible What happens with interruptions in chest compressions?1 Rescuers get tired Drastic improvement in perfusion Perfusion pressures go down Improved output from heart Position of your hands during Chest compressions1 At 90 degrees to the floor, with straight elbows Place them close to the neck At 90 degrees to the floor, with elbows bent to 90 degrees Place them at the center of abdomen For chest compressions to be effective, the surface should be1 It doesn't matter Surface with a bump in middle Flat and firm Soft and fluffly to avoid injuries What happens when you compress at a faster rate than recommended 100-120 / min?1 You will get tired faster Heart chambers will not have time to refill Oxygen cannot reach lungs You might break the ribcage Single rescuer Adult BLS Adult breaths - methods of delivery Back to: Adult chest compressions
