ekg words
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| show | flow of electrical current through abnormal pathways. will cause widening or prolonging of the electrocardiographic configuration
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| show | normal (downward) directional flow of electrical impulse conduction through the heart
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| show | any abnormality within the hearts electrical conduction system causing deviations from normal rate, rhythm, or time intervals, also called dysrhythmia
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| artifact | show 🗑
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| show | absence of all electrical activity occurring within the heart literally without systole or contraction. a straight line is recorded on the electrocardiogram and indicates death of the heart
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| atria | show 🗑
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| show | erratic uncoordinated activity of the atrial muscle fibers with no effective contractions; p waves are unidentifiable.
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| show | rapid depolarization of the atria usually around 300 bpm thought to be the result of two or three ectopic foci discharging independently
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| atrial tachycardia | show 🗑
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| show | varying degrees of conduction delay or obstruction within the AV node First degree block
second degree block
third degree block
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| atrioventricular dissociation | show 🗑
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| show | specialized group of conductive tissues located at the base of the atrial septum just above the ventricular septum
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| automaticity | show 🗑
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| bigeminy | show 🗑
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| biphasic | show 🗑
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| block | show 🗑
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| show | slowing of the heart rate below the defined inherent rates of contraction
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| show | the right and left divisions of conductive fibers located within the ventricular septum. they supply respectively the right and left ventricles with electrical impulses
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| show | also referred to as common bundle, which extends downward from the AV node and then divides into the right and left bundle branch
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| show | the established pattern of rhythm set by cardiac impulse formation
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| show | sudden death from the cessation of effective contractile activity within the heart
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| chronotropic | show 🗑
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| show | the delay in ventricular contraction caused by a premature beat from an ectopic focus
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| show | the number of atrial contractions that occur in relation to the contraction of the ventricles
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| show | a common characteristic of cardiac muscle that allows all cardiac fibers to transmit impulses causing depolarization and contraction
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| contractility | show 🗑
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| show | arterial blood supply to the myocardium. 2 branches off the base of the ascending aorta
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| coupling | show 🗑
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| defibrillation | show 🗑
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| deflection | show 🗑
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| show | aberration appearing within the initial r wave associated with the pre-excitation syndrome
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| show | process by which cardiac muscle is caused to contract
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| show | any impulse that originates somewhere other than the sinus node
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| electrocardiogram | show 🗑
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| show | conductive device capable of transmitting electric current from a nonmetallic object to a recording machine
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| escape beat | show 🗑
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| excitability | show 🗑
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| show | the occurrence of a pulseless complex on the oscilloscope during the process of cardiopulmonary resuscitation. there is electrical activity within the myocardium without any effective mechanical force to produce a pulse.
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