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BAMC TELEMETRY EXAM QUESTIONS AND ANSWERS
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BAMC TELEMETRY EXAM QUESTIONS AND ANSWERS
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BAMC TELEMETRY EXAM QUESTIONSAND ANSWERS
PQRS Complex - Answer -isoelectric line: flat line between complexes
P wave - Answer -indicates that the impulse originated at the SA node and the atrial are
normally depolarized
P wave duration - Answer -0.10 seconds
Purkinje fibers - Answer -arises from distal portion of bundle branches, transmits
impulses into subendocardial layers of both ventricles; provides for depolarization;
followed by ventricular contraction and ejection of blood out of the ventricles. Intrinsic
rate of 20 to 40 beats/min
Sino-atrial node (SA node) - Answer -It is the hearts main pacemaker that controls the
heart rhythm - 60 - 100 bpm
atrioventriculat node (AV node) - Answer -located low in the right atrium, adjacent to the
intertrial septum. Delays impulse from atria for 0.04 seconds to allow atrial contraction
and synchronizes atrial contribution to ventricular pumping.
Normally the AV node is the only structure that is capable to conducting impulses to the
____________________ - Answer -ventricles
The AV node can serve as a ___________________. It has an inherent rate of
automaticity is 40-60 beats/min. - Answer -back up pacemaker
QRS complex represents - Answer -the time required for the electrical impulse to
depolarize the ventricles
QRS complex is measured - Answer -from the Q wave where the line leaves baseline to
the S where the line returns to baseline
QRS complex duration - Answer -0.04-0.10
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