| Term 
 
        | the only point of electrical connection between atria and ventricles |  | Definition 
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        | abnormality that occurs when action potiental re- enters are that was just excited |  | Definition 
 
        | AV nodal re-entry tachycardia |  | 
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        | Term 
 
        | ventricular premature contractions are also known as? |  | Definition 
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        | where does the electrical potiential originate? in the heart? |  | Definition 
 
        | pacemaker cells or AV nodal cells in right atrium |  | 
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        | Term 
 
        | describe the pathway of excitation in the heart |  | Definition 
 
        | starts in the SA node, spread to the left atrium and the AV node ( only point of electrical connection between atria and ventricle)spreads down bundle of his, to the purkinje fibers that spread throughout the ventricle |  | 
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        | ventricular depolarization |  | 
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 | Definition 
 
        | time during which ventricles are contracting and emptying |  | 
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        | ventricular repolarization |  | 
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 | Definition 
 
        | time during which ventricles are relaxing and filling |  | 
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 | Definition 
 
        | steep slope due to fast na channels |  | 
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 | Definition 
 
        | long plateau dues to ca++ influx |  | 
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        | Term 
 | Definition 
 
        | shallow slope, slower depolarization |  | 
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        | Term 
 | Definition 
 
        | shallow slope due to dependence on ca++ |  | 
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 | Definition 
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 | Definition 
 
        | steeper slope so faster depolarization |  | 
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 | Definition 
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 | Definition 
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        | Term 
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        | Term 
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        | Term 
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        | Term 
 
        | quinidine is used to treat? |  | Definition 
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        | Term 
 
        | lidocain is use to treat? |  | Definition 
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        | flecainide is used to treat? |  | Definition 
 
        | a fib in endurance horses |  | 
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        | Term 
 
        | propranolol is used to treat? |  | Definition 
 
        | superventricular tachycardia, or v tach |  | 
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        | Term 
 
        | amiodarone is used to treat? |  | Definition 
 
        | dogs with v tach, little vet med experiecne |  | 
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        | Term 
 
        | amlodipine and veraprimil is used to treat? |  | Definition 
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