UCLA EKG Test AV node rate - Answer 40-60 bpm SA node rate - Answer 60-100 bpm Purkinje fibers rate - Answer 20-40 bpm PR interval is from _ to _? - Answer beginning of P wave to beginning of Q wave QRS interval is from _ to _? - Answer beginning of Q to end of S QT interval is from _ to _? - Answer beginning of Q to end of T PR interval normal duration - Answer 0.12-0.20 s QRS normal duration - Answer 0.04-0.12 s QT interval normal duration - Answer 0.36-0.44 Normal Sinus Rhythm (NSR) - Answer Cause and treatment for NSR? - Answer N/A None Sinus Bradycardia - Answer Cause and treatment for sinus brady? - Answer Normal for athletes None if not symptomatic; atropine if symptomatic Sinus tachycardia - Answer Cause and treatment for sinus tachy? - Answer Anxiety Treat the anxiety (have pt calm down) NSR with 1 PAC - Answer Cause and treatment for PACs? - Answer Anxiety Monitor it Atrial Fibrillation with ventricular response of 80 (Afib) - Answer Cause and treatment of Afib? - Answer MI Amiodarone Aflutter - Answer Cause and treatment of aflutter? - Answer HTN metropolol SVT - Answer Rate > 150
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