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EKG/Cardiology

QuestionAnswer
Which part of the EKG represents atrial contraction ? P Wave
Polarization is the resting state of the _______ wall of the heart. Myocardial
When preforming an EKG, there is erratic movement on the reading. This movement is called ? Artifact
The P-R Interval represents Atrial Depolarization
Where should the precordial lead V4 be placed for an electrocardiogram? Fifth intercostal space left of the midclavicular line
The pacemaker of the heart is also known as the Sinoatrial Node
Which lead is known as the ground wire when preforming an EKG? Right Leg
When calculating the heart rate from an electrocardiogram strip, how many boxes are equal to or represent one second of time? 5 Large boxes
The period of the heart contraction is called Systole
A record or recording of electrical impulses of the heart produced by an electrocardiograph. ECG/EKG
The valve between the right upper and lower chambers of the heart is the: Tricuspid Valve
The valve between the left upper and lower chambers of the heart is the: Bicuspid Valve aka MItral Valve
Blood returns from the head, neck, and upper extremities through the: Superior Vena Cava
Oxygenated blood leaves the heart through the Aorta
The contractive phase of the heartbeat is Systole
The impulse from the AV node is picked up by which of the following? Bundle of His
The state where the cardiac cells are resting Polarized
Created by: Mlizzette
 

 



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