ECG

Question 1

V1 localization?

Answer 1

lateral

Question 2

avr localization?

Answer 2

lateral

Question 3

avl localization

Answer 3

Question 4

v5 localization?

Answer 4

lateral

Question 5

v6 localization?

Answer 5

lateral

Question 6

avf localization?

Answer 6

inferior

Question 7

III localization?

Answer 7

inferior

Question 8

v2 localization?

Answer 8

Question 9

Answer 9

anterior/septal

Question 10

Answer 10

anterior/septal

Question 11

Answer 11

Question 12

Answer 12

anterior/septal

Question 13

Answer 13

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

Question 14

Answer 14

Third degree heart block

no p waves

Question 15

Answer 15

2nd degree mobitz type 2 heart block sign is

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

Question 16

Answer 16

first degree hear block

prolonged PR interval

Question 17

What defines the PR interval?

Answer 17

Question 18

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

Answer 18

Third degree AV block

junctional escape rhytm

Question 19

Answer 19

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

Question 20

Answer 20

right bundle branch block

greatly prolonged QRS complex

Question 21

Answer 21

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.

Question 22

Answer 22

atrial flutter

Question 23

Answer 23

left bundle branch block

prolonged qrs

left axis deviation (lead III)

Question 24

Answer 24

first degree heaert block

Question 25

Answer 25

second degree mobitz type 1

Question 26

inversion of lead I
reversal of leads II and III
reversal of leads aVR and aVL

Answer 26

reversal of right and left arm electrodes:

Question 27

upright in Leads I and II is a ___ ekg

Answer 27

normal

Question 28

what is the extent of the qrs

Answer 28

Question 29

what is the extent of the t wave

Answer 29

Question 30

what is the extent of the qt interval

Answer 30

Question 31

what is the extent of the st interval?

Answer 31

Question 32

nml ekg axis is ___ to ___ degrees

Answer 32

90 to -30

Question 33

Lead I is positive and aVF is negative = ___ axis deviation

Answer 33

left axis deviation

(lead I is normally a left sded lead)

Question 34

Lead I is negative and aVF is positive = ___ axis deviation

Answer 34

right

Question 35

if you can detect _____. qrs. the axis must be perpendicular to it..

Answer 35

isoelectric

e.g. if it was lead III.. axis would be +30

Question 36

Answer 36

st segment elevation

Question 37

Answer 37

st segment depression or t wave inversion

Question 38

Nstemi indicates

Answer 38

Acute MI, Ischemia, toxins, CMP

Question 39

St elevation indicates

Answer 39

Acute MI, Pericarditis, ventricular aneurysm,
normal variant

Question 40

good or bad?

Answer 40

Question 41

good or bad?

Answer 41

Question 42

ischemic.. resting is ____ negative, rate of upshoot isnt as fast

Answer 42

less negative

Question 43

___ wave is a late change
that signifies how permamnent
the heart damage is

Answer 43

q

Question 44

___ is the first evolution in a stemi

Answer 44

hyperacute t wave

Question 45

Q waves that represent prior MI?

Answer 45

1 are one box wide, one box deep

• 1/3 the QRS height
• in contiguous leads (same wall)

Question 46

after is..

Answer 46

Question 47

after

Answer 47

t wave inverts

Question 48

after

Answer 48

Question 49

Answer 49

all 3 negative in lead I –> right arm left arm reversal

Question 50

Answer 50

Question 51

Answer 51

first degree heart block