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'22 Leads Test

Enter the letter for the matching Answer
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1.
QRS complex:
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2.
which leads form the Einthoven's Triangle?
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3.
aVF is placed where and what type of deflection does it have?
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4.
how many leads in a 12 waveform paper?
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5.
In a 12-lead, Color ____ is placed on ____
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6.
which leads produces a positive deflection?
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7.
T/F: A multichannel electrocardiograph, such as 3-channel or 6-channel, records multiple leads at once in about 10 seconds
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8.
what are ECG leads?
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9.
which are the bipolar leads?
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10.
unipolar leads
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11.
aVR is placed where and what type of deflection does it have?
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12.
Einthoven's triangle
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13.
what are the first 3 leads, that uses 2 limb electrodes to record the heart's electrical activity?
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14.
standard & augmented leads and waveforms NOTE:
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15.
standard limb lead
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16.
chest leads and waveforms NOTE:
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17.
what does bipolar leads measure?
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18.
12-lead EKG consist of:
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19.
where is the 4th or "grounding lead" placed?
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20.
if an aVR has a positive deflection, what should be done?
A.
each separate view of the heart
B.
the standard limb leads "bipolar leads"
C.
represents the complete ventricular depolarization last (0.08-0.12 secs or 2-3 small sq) anything +/- means "abnormal"
D.
4 limb leads (3 limb electrodes & 1 grounding electrode) 6 chest leads (V1-V6) = 10 leads that create 12 waveforms
E.
standard "bipolar" leads (lead l, ll, lll)
F.
triangle formed from the R. A --> L. A --> L.L
G.
"bipolar lead" AKA bipolar bc they are composed of 2 electrodes; a neg. and pos. one; ECG records the difference in electrical potential btwn them
H.
- standard leads l, ll, lll produce POSITIVE deflections on the graph - augmented lead aVR produces a negative deflection - augmented lead aVL & aVF produces a POSITIVE deflection
I.
10 leads
J.
L. Foot (L. leg to the foot) ; positive deflection
K.
- chest leads/precordial leads V1-V6 provide a view of the heart from different angles
L.
from the heart to the ____: aVR - R. Arm aVL - L. Arm aVF - L. Foot
M.
lead l, ll, lll & aVL, aVF
N.
lead l, ll, lll
O.
R. Arm ; negative deflection
P.
[Lead] WHITE; Right arm
Q.
on the R. leg
R.
T ; Unlike a single-channel ECG, the 3- and 6-channel ECG record multiple leads at once producing a 12-lead ECG in about 10 secs
S.
make sure that the leads are properly placed
T.
the electrical activity in 2 directions (<--->)
Type the Answer that corresponds to the displayed Question.
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21.
chest leads
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22.
augmented limb leads
Type the Question that corresponds to the displayed Answer.
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23.
(-) L. Arm <--> L. Leg (+)
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24.
unipolar V1-V6 (where you pick up the signal of the heart)
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25.
represents the complete atrial contraction last (0.12-.20 secs or 3-5 small sq) anything +/- means "abnormal"
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26.
(+) R. Arm <---> L. Arm (-)
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27.
same distance from the heart: R. Arm <--> L. Arm R. Arm <--> L. Leg L. Arm <--> L. Leg
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28.
attaches to the electrodes on the body
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29.
are placed on the pts skins in specific locations that control electrical activity to the ECG - for single use - check for expiration date
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30.
(+) R. Arm <--> L. Leg (-)

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