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Terms in this set (213)
Electrical excitation of cell membrane followed
Depolarization
by mechanical contraction
Repolarization Return of cell membrane resting state
PR interval .12-.20sec
,PR interval is measured Beginning of P wave to beginning of QRS wave
fro beginning of ____ to
beginning to ____?
QRS complex .06-.12sec
First negative Q wave
deflection after P wave
R wave?
Negative deflection S wave
following R wave?
Marks QRS complex J point
and ends ST segment?
QT interval .44-.48sec
No perceived Isoelectric line
electrical current?
Atrial depolorization? P wave
,Delay at AV junction? PR segment
Ventricular QRS
depolorization?
Normally isoelectronic ST Segment
line between QRS and
beginning of T-wave?
ventricular T wave
repolarization?
What does T wave look Larger than P wave and slightly asymmetric
like?
beginning of QT interval
ventricular activation
through ventricular
depolarization?
If U wave is seen what Hypokalemia or digitalis toxicity
does that mean?
, Each 1mm box equals 0.04sec
how many sec?
Each large box is how 0.20sec
many sec?
Lead I makes left arm Lead I makes left arm POSITIVE and right arm
____ and right arm ____. NEGATIVE. Its angle of orientation is 0 degrees
Its angle of orientation
is _____degrees
Lead II is created Legs are POSITIVE and right arm NEGATIVE.
making legs _______and Angle of orientation is 60 degrees
the left arm is ______, the
angle of orientation is
____degrees?
Lead III is created Legs is POSITIVE and left arm is NEGATIVE,
making legs ______and angle is 120 degrees
left arm _____, angle is
_____degrees?