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Chapter 48 - Polarization, Depolarization, and Repolarization

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polarization
is the resting state of the myocardial wall when there is not electrical activity in the heart and is recorded on the ECG strip as a flatline
depolarization occurs
when the electrical system if the heart stimulates a myocardial cell, ____________, resulting in the contraction of the stimulated heart muscle
after depolarization
the heart muscles cells must return to a resting state before they can be electrically simulated again
repolarization
is the process of reaching the resting state before they can electrically simulated again
waves or deflection
electrocardiograph records a series of_______________ above or below a baseline on the EGK
of the cardiac cycle
each deflection/wave corresponds to a particular part
P-wave, the Q-wave, the R-wave, the S-wave, and the T-wave
the normal EKG cycle consists of waveforms that are labeled as the
PQRST
entire cardiac cycle can be called the complex