ECG & heart Flashcards
each heart beats with an __________ signal from the SA node
electrical
SA node is sometimes called your heart’s natural ____________
peacekeeper
your _______ ________ is the number of signals the SA node produces per minute
heart rate
the signal causes the atria to ___________. This action pushes blood through the open valves from the atria into both ventricles.
contract
The signal arrives at the AV node, then travels along a pathway called bundle of _________
His
the signal travels into the left and right bundle branches through the ______________ fibres
purkinje
these fibers connect directly to the cells in the walls of your heart’s left and right ______________
ventricles
the signal spreads across the cells of your ventricle walls and both ventricles ____________
contract
10 ___________ with adhensive pads applied to the skin of chest, arms and legs.
electrodes
____________ represents depolarization of the atria
p wave
_____________ represents depolarization of the ventricles
qrs complex
___________ represents the repolarization of the ventricles
t wave
