UCLA EKG Test Questions and Correct
Answers
AV node rate Ans: 40-60 bpm
SA node rate Ans: 60-100 bpm
Purkinje fibers rate Ans: 20-40 bpm
PR interval is from _ to _? Ans: beginning of P wave to
beginning of Q wave
QRS interval is from _ to _? Ans: beginning of Q to end of S
QT interval is from _ to _? Ans: beginning of Q to end of T
PR interval normal duration Ans: 0.12-0.20 s
QRS normal duration Ans: 0.04-0.12 s
QT interval normal duration Ans: 0.36-0.44
Cause and treatment for NSR? Ans: N/A
None
Cause and treatment for sinus brady? Ans: Normal for
athletes
None if not symptomatic; atropine if symptomatic
Cause and treatment for sinus tachy? Ans: Anxiety
Treat the anxiety (have pt calm down)
Cause and treatment for PACs? Ans: Anxiety
Monitor it
Cause and treatment of Afib? Ans: MI
Amiodarone
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