Questions and Answers
What is the difference between synchronous and asynchronous defibrillation -
ANS Synchronous is when there is output (SVT or VT)
Asynchronous is when there is no output (VF or pVT)
What factors affect electrical current delivery in CPR - ANS Amount of energy
Impedence
What are factors that affect thoracic impedance - ANS -Defibrillator pads
-Interface between pads/paddles
-Positioning of pads
-Chest wall thickness and obesity
What are the disadvantages of manual paddles in defibrillation - ANS Contact pads fall off
during CPR, contact pads can lead to spurious systole on ECG analysis
Over what weight can standard adult paddles be used in children - ANS >10kg
What paddles can be used in children < 10kg - ANS Infant paddles
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