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36 Cards in this Set
- Front
- Back
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A graphic tracing of electric current generated by the heart is called
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electrocardiogram
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A slower than average heart rate
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Bradycardia
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An abnormal heart sound
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murmur
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Threads that attach the valve flaps to the ventricle was are:
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chordae tendineae
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Myocardial infarction
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The scientific name for "heart attack"
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Sinoatrial node aka
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The pacemaker
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Tachycardia
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Rapid heart rate above 100 beats per minute
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Diastolic pressure
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occurs during relaxation of the heart muscle
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Myocatdium
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clinical term for heart muscle tissue
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The thick middle layer of the cardiac wall and consists largely of cardiac muscle tissue
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Myocardium
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Valve
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a structure in a vessel or in the heart that keeps blood moving in a forward direction
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The upper chambers of the heart
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Atria
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Outermost layer of the heart wall
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Epicardium
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This structure separates the right and left ventricle?
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Inter ventricular septum
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Septum
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A dividing wall
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Purkinje. fibers
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conduct electrical signals through the ventricles
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HR*SV=
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Cardiac output
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Apex of the heart
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located on the bottom of the heart
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A vessel that carries blood back to the heart?
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Vein
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Actions of the parasympathetic nervous system
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Decease the heart rate
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Right Ventricle
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Heart chamber that pumps blood to the lungs
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The tissue layer of the heart that actually comes in contact with circulating blood
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Endocardium
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Semilunar Valves
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Aortic and pulmonic valves
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Chamber of the heart ejects blood to the pulmonary trunk
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Right ventricle
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What does the chordae tendineae do
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stabalize heart valve flaps to avoid back flow
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A sinus rhythm originates in the
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SA node
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First vessel that branch off the aorta
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coronary arteries
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Aorta
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largest artery in the body
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Capillaries
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blood vessels with the thinnest walls
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The left ventricle pumps blood into the
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Aorta
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The semilunar valves are
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aortic and pulmonary
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The superior and inferior vena cava bring blood into the
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right atrium
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Cardiac output
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The volume of blood pumped by each ventricle in one minute
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Impulses travel in the heart from the AV bundle to the
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bundle branches
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Coronary sinus
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collects blood from the myocardium
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Aortic valve
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The valve preventing blood from re-entering the left ventricle
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