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EKG Cert Study

QuestionAnswer
The normal time for a QRS should take 0.06-0.10
The valve is located between the right ventricle and the right atrium Tricuspid Valve
The artery takes blood to the lungs Pulmonary Artery
These arteries supply the heart muscle with oxygen and nutrients Coronary Arteries
The heart being able to respond to stimuli is called Excitability
The heart being able to send it's own signal is called Automaticity
Depolarization of the atriums is represented by the P wave
Repolarization of the Ventricles is represented by the T wave
Depolarization of the ventricles is represented by the QRS
Polarization is represented by the isoelectric line
This is the natural pacemaker of the heart SA node
A wide and bizarre QRS tells us that the ventricles get the signal from the purkinje fibers
The inherit rate of the SA node is 60-100bpm
The inherit rate of the AV node is 40-60 bpm
The inherit rate of the Purkinje fibers is 20-40bpm
The inherit rate of the Bundle of his is 40-60 bpm
Lead I, II, III is considered to be Bipolar leads
AVR, AVL, AVF are considered to be Augmented leads
Chest leads are considered to be Precordial leads
Lead I uses which two electrodes RA - LA
Lead II uses which two electrodes RA - LL
Lead III uses which two electrodes? LA- LL
AVR looks through your heart towards RA
AVF looks through your heart towards LL
Created by: Tagcal
 

 



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