Cardiac cycle
what type of polarization goes on throughout the P wave
Atrial Depolarization
Fast heart rate
Tachycardia
what color would a precordial lead V5 be
orange
what number should a standardization mark be
10 mm high
Position a Patient should take for EkG test
Supine
Which 2 types of polarization's go on during the QRS wave
Ventricular depolarization and Atrial Repolarization
Name the most common reason for Somatic Tremor
Shivering
how many electrodes are needed to record a 12-lead EKG
10
the pacemaker of the heart s called ?
the SA node
If a pt has oily skin
Clean with alcohol wipes
What is the duration of the QT interval
0.4-0.44 sec
AC- Interference is also known as
60 cycle interference
where would the electrode V4 be located
left side of chest,5th intercostal space midclavicular line
what is a conductor of impulse during an EKG
electrolyte gel
First step provider should take when preparing pt for EKG
Obtain Informed consent
Give the Correct order of waves
P, QRS, T, U
Absence of a P wave represents
Abnormal Atrial Rhythms
where would a black limb lead be placed ?
left arm
if pt. develops shortness of breath while recording an ekg, what should an MA do
notify the provider
Elevating pt to a 45 degree angle is called what and why is it done
Semi-Fowlers because pt cannot lie on their back
Explain what goes on during each wave
P- Contracting Atria, QRS- Contracting ventricles & Relaxing Atria, T- relaxation of Ventricles, U- Relaxation of Bundle of his/Perjinke Fibers
Which arrhythmia, if seen, requires immediate attention
Ventricular
in what location would an EKG technician place the electrodes for V7,V8,V9
evenly spaced on the back between the axillary and the vertebral column at the 5th intercostal
if a pt is experiencing palpation while wearing a holter monitor what should they proceed to do
press the event button
"I will continue with my normal routine and record all activites in a journal"
Holter Monitor