ECG Flashcards

1
Q

V1 localization?

A

lateral

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2
Q

avr localization?

A

lateral

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3
Q

avl localization

A
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4
Q

v5 localization?

A

lateral

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5
Q

v6 localization?

A

lateral

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6
Q

avf localization?

A

inferior

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7
Q

III localization?

A

inferior

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8
Q

v2 localization?

A
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9
Q
A

anterior/septal

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10
Q
A

anterior/septal

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11
Q
A
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12
Q
A

anterior/septal

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13
Q
A

Second Degree AV Block Type I Mobitz I

increased Pr interval until no P wave can be seen

next P wave has shorter pr interval

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14
Q
A

Third degree heart block

no p waves

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15
Q
A

2nd degree mobitz type 2 heart block sign is

sudden non-conducted P waves with no change in PR intervals

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16
Q
A

first degree hear block

prolonged PR interval

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17
Q

What defines the PR interval?

A
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18
Q

The P waves are completely dissociated from the QRS complexes. The QRS complexes are narrow, indicating a ______ rhythm

A

Third degree AV block

junctional escape rhytm

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19
Q
A

In atrial fibrillation, however, the P waves, which represent depolarization of the atria, are absent

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20
Q
A

right bundle branch block

greatly prolonged QRS complex

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21
Q
A

Left bundle branch block

there is a QRS width greater than 0.12 sec. This indicates a bundle branch block. There is also a left axis deviation, which is consistent with a left bundle branch block.

22
Q
A

atrial flutter

23
Q
A

left bundle branch block

prolonged qrs

left axis deviation (lead III)

24
Q
A

first degree heaert block

25
second degree mobitz type 1
26
inversion of lead I reversal of leads II and III reversal of leads aVR and aVL
reversal of right and left arm electrodes:
27
upright in Leads I and II is a ___ ekg
normal
28
what is the extent of the qrs
29
what is the extent of the t wave
30
what is the extent of the qt interval
31
what is the extent of the st interval?
32
nml ekg axis is ___ to ___ degrees
90 to -30
33
Lead I is positive and aVF is negative = \_\_\_ axis deviation
left axis deviation (lead I is normally a left sded lead)
34
Lead I is negative and aVF is positive = \_\_\_ axis deviation
right
35
if you can detect \_\_\_\_\_. qrs. the axis must be perpendicular to it..
isoelectric e.g. if it was lead III.. axis would be +30
36
st segment elevation
37
st segment depression or t wave inversion
38
Nstemi indicates
Acute MI, Ischemia, toxins, CMP
39
St elevation indicates
Acute MI, Pericarditis, ventricular aneurysm, normal variant
40
good or bad?
41
good or bad?
42
ischemic.. resting is ____ negative, rate of upshoot isnt as fast
less negative
43
\_\_\_ wave is a late change that signifies how permamnent the heart damage is
q
44
\_\_\_ is the first evolution in a stemi
hyperacute t wave
45
Q waves that represent prior MI?
1 are one box wide, one box deep - 1/3 the QRS height - in contiguous leads (same wall)
46
after is..
47
after
t wave inverts
48
after
49
all 3 negative in lead I --\> right arm left arm reversal
50
51
first degree heart block
52