Adult BLS Flashcards
1
Q
BLS Algorithm?
A
Unresponsive? Help Airway open. Assess breathing - not normal: call 999 30 compressions 2 rescue breath
2
Q
How long should both rescue breaths take?
A
No more than 5s.
Applies to BVM, with or without oxygen.
3
Q
Is using the carotid pulse accurate?
A
No
4
Q
Why are lower than normal RR/tidal volumes adequate in CPR?
A
Due to reduced blood flow to lungs.
5
Q
How is hyperventilation harmful?
A
Increases intrathoracic pressure -> decreasing venous return to the heart -> reducing cardiac output
6
Q
In chest-only CPR, how long do arterial oxygen stores take to deplete?
A
2-4 minutes
7
Q
Open airway/passive chest recoil?
A
Dead space ventilation only?
