UCLA EKG Test QUESTIONS AND ANSWERS

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