EKG List 3
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Last updated 1:09 AM on 3/22/23
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20 Terms
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Atrial Depolarization
Contraction of the atria through electrical impulse
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QRS Complex
Ventricular wave/impulse ventricular depolarization
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T wave
Ventricular Recovery ventricular repolarization
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Rate
atrial and ventricular beats per minute
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Rhythm
Atrial and ventricular regular or irregular
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Regular
The QRS occurs at regular intervals
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Irregular
Patterned irregularity eg, every third beat is early
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Irregularly irregular
Random irregularity without a pattern
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Heart block
A disturbance in the conduction system of the heart
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Right Side
low pressure system sends blood to lungs
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Left Side
High pressure sends blood out to the body
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Systole
contraction serves to empty the chambers, pump blood out
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Diastole
relaxation ¨filling time¨ serves to fill the chambers with blood
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Endocardium
innermost layer (inside) must be smooth
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Myocardium
muscular layer (think)
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Epicardium
outer layer/surface on the muscle surface
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Pericardium
outermost layer, thick and fibrous job is to protect the heart
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Right Coronary Artery (RCA)
Supplies blood to Right Ventricle
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12 leads (view of the heart)
10 lead wires (wire attachments on the body)
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Stress Testing
noninvasive test to evaluate heart disease evaluates the heart's function
