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EKG Practice Exam Questions
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EKG Practice Exam Questions EKG Practice Exam Questions EKG Practice Exam Questions
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EKG Practice Exam Questionswhat is premature junctional rhythm ? - P wave : inverted or absent
QRS: Normal
Rhythm : irregular
Rate : varies
PRI : varies
QRS : normal
causes of premature Junctional rhythm ? - dig toxicity , CAD, heart disease , metabolic disturbances , AV
automaticity
symptoms of PJC and treatment - usually asymptomatic
treatment : usually not needed
What is a junctional rhythm? - rhythm : regular
rate : 40-60 bpm
P wave : absent or Inverted before QRS or after QRS
QRS: normal
QTI: varies
causes of junctional rhythm - DIGOXIN TOxicity, SA node is depressed, excessive vagal activity, ischemia
of SA Node
Symptoms of junctional rhythm:
and treatment - slow ventricular rate may cause hemodynamic compromise
, treatment: atropine or pacemaker may be used to increase the ventricular rate
what is Accelerated Junctional Rhythm - regular rhythm
Rate : 61-100 bpm
P wave inverted / absent
PRI : < 0.12 sec
QRS : normal
QTI : Normal
What cause accelerated junctional / symptoms - causes: dig toxicity, myocardial damage, CHF
symptoms: signs of decreased CO: dyspnea, decreased BP, fatigue, chest pain, weak pulse
Treatment for accelerated junctional :
Treat symptoms of decreased CO, identify and correct the underlying cause
what is junctional tachycardia - regular : Regular
rate : > 100 bpm
P wave: absent or inverted
PRI: < 0.12 sec
QRS: Normal
QTI: varies
Causes of Junctional Tachycardia - digitalis toxicity, damage to AV Node , heart failure
symptoms of junctional tachycardia - associated with the rapid ventricular rate ( BP, LOC perfusion,
chest pain
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