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UCLA ECG Test WITH ANSWERS GRADED A+.
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UCLA ECG Test WITH ANSWERS GRADED A+.
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EUNICEUCLA ECG Test WITH 100% SURE ANSWERS
Terms in this set (51)
T/F The horizontal axis on the EKG strip True
represents time and is measured in
fractions of a second.
T/F The vertical axis of the EKG strip True
measures amplitude, or voltage.
Small box 0.04 seconds
5 small boxes 0.2 seconds
5 large boxes 1 second
The P wave represents depolarization, or contraction, of the atria
The QRS complex represents depolarization, or contraction, of the ventricles
The T wave represents Repolarization of ventricles
1 large box 0.2 seconds
Rate of SA node 60-100 bpm
Rate of AV node 40-60 bpm
Rate of purkinje fibers 20-40 bpm
Normal range for the PR interval 0.12-0.20 seconds
Normal range for QRS complex 0.04-.12 seconds ( < .12)
0.36-0.44 seconds
Normal range for QT interval or
>/= .39 - </= .46 seconds
PR interval is from _ to _? beginning of P wave to beginning of Q wave
QRS interval is from _ to _? beginning of Q to end of S
QT interval is from _ to _? beginning of Q to end of T
Tx for sinus brady? None if not symptomatic; atropine if symptomatic
Treatment for sinus tachy? Tx underlying cause (i.e. pain, fever, acidosis, hypovolemia)
Tx for Premature Atrial Contractions (PACs) Monitor and tx underlying cause
Control rate with diltiazem, metoprolo, or synchronized cardioversion if pt. is
Tx for afib
unstable
Tx for aflutter Control rate with diltiazem or metoprolol
Tx for SVT Adenosine 6 mg rapid IV push or synchronized cardioversion if pt is unstable
Tx for 1st degree heart block Anticipate holding beta blockers or digoxin. Tx underlying cause.
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