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26 Cards in this Set
- Front
- Back
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Acute MI
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Acute Myocardial Infarction; heart attack
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Anatomical Position
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Upright, facing forward, hands by side with palms facing forward
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Apical Pulse
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Pulse taken by listening over the apical portion of the heart for 60 seconds
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Atria
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Top 2 chambers of the heart
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AV Node
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Atrioventricular node; regulates impulses from the SA Node to allow the atria to contract completely and empty blood into the ventricles; will fire if the SA Node is not functioning; intrinsic rate of 40-60 bpm
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Bradycardia
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Slow heart beat; below 60 bpm
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Bundle Branches
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Area of conduction that carries the electrical impulse from the Bundle Of His to the Purkinje Fibers for ventricular contraction
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Bundle Of His
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Area of conduction that carries the electrical impulse from the AV Node to the bundle of branches for ventricular contraction
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Cardiac Arrest
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Sudden cessation of cardiac activity
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Cardiac Cycle
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One complete heart beat; complete depolarization and repolarization of the heart
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Conduction
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Ability of the electrical system of the heart to transmit impulses from cell to cell
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Deflection
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Direction of a complex (upward/downward) to the baseline of an ECG
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Diastolic
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Pertaining to the relaxation of the heart
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Drug Toxicity
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Having too much of a medication; above therapeutic range
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Einthoven
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Invented the ECG machine
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Electrodes
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Small pads placed on the chest call and extremities that convert the electrical activity of the heart to display on a screen or on paper
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Hyperkalemia
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Excessive amount of potassium in the blood
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Hypotension
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Low blood pressure
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Hypoxia
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Dimished amount of oxygen in the tissues
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Intrinsic
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Inborn; born with
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Ischemia
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Damaged muscle tissue from lack of oxygen; a damaged part of the heart that does not respond to electrical stimuli normally causing arrythmias
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Myocardial Infarction
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MI; heart attack; damaged heart muscle tissue
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P-Wave
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Graphic presentation on an ECG showing depolarization of the atria
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Paroxysmal
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Sudden and intense symptoms
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Premature Atrial Contraction (PAC)
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An atrial contraction occuring earlier than it should
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QRS complex
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Graphic presentation on an ECG showing the depolarization of the ventricles
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