BAMC Telemetry(graded A+)questions n answers

BAMC TelemetryP wave - correct answer -Impulse at SA node -Last .10 secs .10 seconds - correct answer Duration of P wave PR interval - correct answer - Measured at the beginning of P wave through beginning of QRS -Lasts between .12-.20 seconds .12-.20 - correct answer Duration of PR Interval QRS complex - correct answer -Measured from Q to S -.04-.10 seconds .04-.10 - correct answer QRS complex duration ST Segment - correct answer -Measured from end of QRS to onset of T -Duration of .08 secs .08 secs - correct answer ST length Normal Sinus - correct answer -Rate 60-100 -One P/QRS -*PR* .12-.20 -*QRS* .04-.10 Bradycardia - correct answer Rate of less than 60 Tx- Atropine or Cardiac pacing Tachycardia - correct answer Rate between 100-150 Tx- Treat the cause Junctional rhythm - correct answer -Regular rhythm -Rate < 60 -*NO P or INVERTED* Accelerated junctional rhythm - correct answer -Rate > 60 -*NO P or INVERTED* 1st Degree Block - correct answer PR >.20 (long PR) and normal QRS -PR consistently long No intervention needed 2nd degree Wenckebach (Type I) - correct answer PR increases in length until a QRS is dropped Tx- Atropine if bradycardia present 2nd degree (Type II) - correct answer Consistent long PR and QRS complex dropped every 2,3 or 4th beat 2nd degree type 2 tx - correct answer -Transvenous pacemaker -Atropine -Isuprel -Dopamine/Epi IV -BP support with liquids -R/O dig toxicity 3rd degree - correct answer -P wave unrelated