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Defibrillation in EPALS Exam 2025 Questions and Answers

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Defibrillation in EPALS Exam 2025 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

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Defibrillation in EPALS Exam 2025
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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