Blue Packet Flashcards
1
Q
what is lead 1
A
LA and RA
2
Q
what is lead 2
A
LL and RA
3
Q
what is lead 3
A
LL and LA
4
Q
what is aVR
A
RA and (LA-LL)
5
Q
what is aVL
A
LA and (RA-LL)
6
Q
what is aVF
A
LL and (RA-LA)
7
Q
placement for white lead on holter monitor?
A
1st intercostal, midclavicular right side
8
Q
placement for black lead on holter monitor?
A
1st intercostal midclavicular left side
9
Q
placement for green lead on holter monitor?
A
lower right last rib just anterior of midaxillary line
10
Q
which lead on holter monitor is the ground line
A
green
11
Q
placement for red lead on holter monitor?
A
lower left last rib just anterior of the midaxillary line
12
Q
placement for brown lead on holter monitor?
A
4th intercostal right sternal border
13
Q
what are the leads in a 12-lead EKG
A
RA, LA, RL, LL, V1, V2, V3, V4, V5, V6
14
Q
what color is the RA lead
A
white
15
Q
what color is the LA lead
A
black
16
Q
what color is the RL lead
A
green
17
Q
what color is the LL lead
A
red
18
Q
what color is the V1 lead
A
red
19
Q
what color is the V2 lead
A
yellow
20
Q
what color is V3 lead
A
green
21
Q
what color is the V4 lead
A
blue
22
Q
What color is the V5 lead
A
orange
23
Q
what color is the V6 lead
A
purple
24
Q
placement for the V1 lead on 12 lead EKG?
A
4th intercostal right side of sternum
25
placement for V2 lead on 12 lead EKG?
4th intercostal left side of sternum
26
placement for V3 lead on 12 lead EKG
between V2 & V4
27
placement for V4 lead on 12 lead EKG
5th intercostal space midclavicular line
28
placement for V5 lead on 12 lead EKG
between V4 and V6
29
placement for V6 lead on 12 lead EKG
horizontal to V4 midaxillary line
30
what is the standard paper speed
25mm/sec
31
what is standardization measurements
2mm wide and 10 mm high
32
define PR INTERVAL
beginning of P wave to beginning of QRS complex
33
define QRS INTERVAL
beginning of Q wave to end of S wave
34
define QT
beginning of Q to end of T wave
35
how should results be delivered to prevent compromising pt privacy records
results should be handle delivered to physician
36
what is the preferred site for measuring heart rate in an adult pt after stress test
radius
37
define SINUS RHYTHM
upright P waves, narrow QRS complexes, ventricular rate between 60-100 bpm
38
what are signs of myocardial ischemia during a treadmill stress test
peaked, hyperactive and broad based T waves & convex ST segments
39
ST segment elevation is associated with what
myocardial injury
40
pts experiencing heaviness on chest & become diaphoretic may be experiencing
myocardial infarction
41
what should be done if the QRS complex is too tall to fit on EKG paper
change gain control to 1/2 to shorten wave by 1/2 on vertical axis
42
when doing a standard 12 lead EKG on a 2 year old, where should the limb leads be moved to
torso
43
what are some s/s of sinus arrhythmia
normal heart rate, irregular rhythm, change in respiratory cycle, variations in vagal tone
44
define VAGAL TONE
degree of activity occurring within parasympathetic nervous system causing changes to heart rate and other key functions
45
where is V5 placed
left anterior axillary line horizontal to V4
46
what is the anticipated QRS in V4 in a normal pt
half positive & half negative
47
what may decreased heart rate during a stress test indicate
ischemia
48
if the MA notice decreased heart rate during stress test, what should they do
ask CET to stop test and notify physician
49
what do M shaped P waves indicate
left atrial enlargement
50
what do pathologic Q waves indicate
myocardial infarction
51
during a stress test, what does dizziness indicate
decreased cardiac output
52
if a pt experiences dizziness during a stress test, what should be done
stop test immediately
53
what is characterized by a cyclic change in respiration
arrhythmia
54
what can cause sinus arrhythmia in kids
respiration
55
what will appear before the P wave if a pacemaker was implanted to pace the atria
spike
56
what leads are on the right arm
leads 1, 2, aVR
57
what lead is on the right leg in a 12 lead EKG
ground lead
58
a ground lead has no ____
polarity
59
what do peaked P waves indicate
atrial enlargement
60
how should the P wave look in lead 2 in a normal pt
round and upright
61
what is the most serious [block?]
3rd degree AV block
62
what should the pt do to reduce artifact when wearing a holter monitor
wear loose fitting clothes
63
irregular R-R intervals are ____ seen on pediatric EKGS because of _____
commonly; respiration
64
what is the order of waves on an EKG
P wave, QRS complex, T wave
65
when the tracing moves up and down, what does it indicate
wandering baseline
66
what would 1 on sensitivity setting produce
calibrated box 10 mm tall
67
the PR interval is a direct reflection of what
AV node conduction
68
where should the green ground electrode be placed for ambulatory monitoring
rib on lower red side
69
excessive pt movement can cause what
wandering baseline
70
a frayed wire can cause what
electrical interference
71
what is the most sensitive & specific lead for diagnosing right ventricular ischemia
lead v4R
72
how should V7, V8, and V9 be placed
evenly placed on back between axillary line and vertebral column at 5th intercostal space on left
73
why would P wave be measured
evaluate atrial enlargement
74
cold and clammy skin is most likely consistent with..
bradycardia
75
t/f: all feelings, symptoms, and activities should not be recorded when a pt wears a holter monitor
false
76
how should a CET control and regulate output/heigh of EKG wave forms
use sensitivity control
77
how long is an ambulatory monitor usually worn
24-48 hours
78
how does electrical interference appear
regular and consistent lines w/same amplitude
79
heart block affects what
PR interval
80
what can ST segment depression and T wave inversion indiciate
myocardial ischemia
81
ventricular rate in accelerated idioventricular rhythm is equal to or greater than
rate of junctional rhythm
82
what should be done before disconnecting the pt from the EKG machine
check that the tracing is free from artifacts
83
where does V7 go
left posterior axillary line
84
where does V8 go
left midscapular line
85
what should CET be most concerned with when reading the tracing
ST elevation
86
how do you calculate the duration?
small boxes x 40 milliseconds
87
what is the most appropriate site to take an infant pulse
brachial artery
88
what is standard calibration
5 mm wide, 10 mm tall
89
where is the red lead placed on a 5 lead EKG
on lower left torso
90
what is the event button used for
record when adverse symptoms occur while wearing holter monitor
91
for telemetry monitor, who should reattach the leads if they become loose
medical staff
92
what is pt sent home with for telemetry monitor
batteries
93
2 mm ST elevation in leads 1, AVL, V5, and V6 indicate what
lateral infarction
94
decreased potassium levels are associated with what on an EKG
large U waves
95
what is the only calculating method available for both regular and irregular rhythm
6 second method
96
what should be used to determine the regularity of ventricular depolarization
RR
97
what should be done if you are not familiar with the EKG rhythm
verify proper lead placement
98
what should be done if a pt appears to be hyperventilating during a stress test
check respiratory rate
99
what should be done if U waves are determined and pt reports chest pain and discomfort
notify pt physician
100
what leads are bipolar
1, 2, 3
101
if no leads are giving readings, what should be checked and why
right leg bc it shares all leads
102
what is common in EKG results for ppl w/pacemakers
vertical projections
103
who should do repairs on an EKG
biomedical tech
104
what may a pt clean their skin w/when using a telemetry monitor
soap and water or alcohol pad
105
