Term
the only point of electrical connection between atria and ventricles |
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Definition
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Term
abnormality that occurs when action potiental re- enters are that was just excited |
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Definition
AV nodal re-entry tachycardia |
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Term
ventricular premature contractions are also known as? |
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Definition
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Term
where does the electrical potiential originate? in the heart? |
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Definition
pacemaker cells or AV nodal cells in right atrium |
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Term
describe the pathway of excitation in the heart |
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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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Definition
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Definition
ventricular depolarization |
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Definition
time during which ventricles are contracting and emptying |
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Definition
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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Definition
shallow slope, slower depolarization |
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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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quinidine is used to treat? |
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Definition
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lidocain is use to treat? |
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Definition
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flecainide is used to treat? |
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Definition
a fib in endurance horses |
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Term
propranolol is used to treat? |
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Definition
superventricular tachycardia, or v tach |
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Term
amiodarone is used to treat? |
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Definition
dogs with v tach, little vet med experiecne |
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Term
amlodipine and veraprimil is used to treat? |
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Definition
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