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Hint
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Answer
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a cart that contains immediate emergency medical supplies
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crash cart
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method used to determine heart rate from an EKG tracing that involves counting the small blocks between two consecutive R waves and dividing that number into 1500, which is the number of small blocks representing the passage of one minute
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small block method
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in nsr, the first positive deflection on the EKG tracing; corresponds with the atria contracting -depolarization of the heart-
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p wave
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doff-
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taking off
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normal adult pulse rate
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60-100 bpm
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what is the top number in BP that represents the ventricles relaxing
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120
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AHA-
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american heart association
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primary pacemaker of the heart
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sa node
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how many electrodes are in a 12-lead EKG
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10
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who developed the first EKG
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williem einthoven
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what position should your patient be in while performing an EKG
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supine
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what is the heart classified as
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hollow muscular organ
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how is blood oxygenated
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alveoli in lungs
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blood enters the left atrium by way of the
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pulmonary veins
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how many chambers are in the heart
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4
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right and left sides of the heart are separated by the
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interventricular septum
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term for rapid heartbeat
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tachycardia
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mi-
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myocardial infarction
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what is another name for the precordial leads
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chest leads
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BP is measured in
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mmHg
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upper chambers of the heart
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atria
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what is the single most important thing you can do to prevent the spread of infections
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wash hands
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4 valves of the heart (in order)
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tricuspid, pulmonic, mitral, aortic
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fourth part of conduction system
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bundle branches
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layers of the heart (in order)
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epicardium myocardium endocardium
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double walled sac that encloses the heart
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pericardium
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basic contractile unit of a myofibril
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sarcomere
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rate of the av node
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40-60
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where are the beta-1 receptors located
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heart
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second part of the conduction system
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av node
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fifth part of conduction system
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purkinje fibers
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lower chambers of the heart
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ventricles
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cardiac rhythm produced by when the electrical system of the heart is functioning normally
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nsr
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third part of the conduction system
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bundle of his
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overall pattern of the heartbeat
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heart rhythm
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pathway of electrical impulses that controls the heart's pumping action
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cardiac conduction system
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method used to determine heart rate from an EKG tracing that involves identifying a six-second section of the EKG and counting the number of QRS complexes in that second, the multiplying by 10
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six second method
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method used to determine heart rate from an EKG tracing that involves counting the numbers of large blocks between two consecutive R waves and dividing the number into 300, which is the number of large blocks in a one-minute EKG strip
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large block method
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complex that includes the Q,R, and S waves; corresponds to the contraction of the ventricles
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qrs complex
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an ekg wave that represents the repolarization of the heart; corresponds with the ventricles relaxing
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t wave
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don-
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to put on
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the amount of blood pumped by the heart
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cardiac output
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what is heart rate influenced by
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autonomic nervous system
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speed at which the heart is beating
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heart rate
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