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Cardio - EKGs

QuestionAnswer
AV node takes signal from SA node.. slows signal down regulate it sending to bundle of his
bundle of his transmits impulses from AV nodes --> ventricles
intercalated discs allows heart to function as synctium
atria receive blood from bdy
ventricles pushing chambers - push out blood
what is the conduction pathway? SA node --> AV node --> bundle of his --> purkinje fibers
chronotropic rate
inotropic contractility
dromotropic conduction
frank starling law more the heart fills, the stronger the contraction
preload volume of blood in ventricles before contraction, EDV.
afterload volume of blood in heart after contraction, ESV.
potassium is ___ in the cell high
which ions are low in concentration in the cell? calcium. sodium. chloride
p wave represents atrial depolarization
qrs complex represents ventricular depolarization
t wave represents ventricular re-polarization
Created by: Mariahj25
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