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CV II Exam 1 > EKG Interpretation Lectures > Flashcards

EKG Interpretation Lectures Flashcards

1
Q

paced rhythm

A

can be atrial or ventricular

see a sharp spike in EKG

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2
Q

left BBB

A

cannot determine ischemia/infarction

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3
Q

paradoxical split S2

A

with bundle branch block

-ventricles are contracting out of synchrony

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4
Q

hyperkalemia

A

peaked T waves in majority of leads

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5
Q

T wave inversion

A

reciprocal changes - will substantiate infarction

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6
Q

interval

A

include wave

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7
Q

segment

A

between wave

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8
Q

atrial rhythm

A

upright P wave, normal QRS

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9
Q

junctional rhythm

A

absent or inverted P wave, normal QRS

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10
Q

ventricular rhythm

A

no P waves, wide QRS

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11
Q

escape beats

A

refractory periods

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12
Q

premature beats

A

irritable foci

reentry

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13
Q

wolf parkinson white

A

delta waves

-accessory conduction bundle of kent

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14
Q

atrial flutter

A

single atrial foci with reentry

-sawtooth pattern

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15
Q

wandering pacemaker

A

irregular ventricular rhythm

  • multifocal atrial rhythm
  • P’ varied
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16
Q

irregularly irregular rhythm

A

atrial fib

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17
Q

first degree block

A

PR longer than 0.2s

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18
Q

wenckebach

A

type I second degree AV block

-PR progressively longer, then dropped beat

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19
Q

mobitz

A

type II second degree AV block
-wide QRS and failure of AV conduction in fixed ratio/pattern

  • multiple P waves that go before QRS is conducted
    2: 1, 3:1, 4:1
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20
Q

third degree AV block

A

A/V dissociation

P wave and QRS each have own rate

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21
Q

ventricular tachycardia

A

usually reentry

22
Q

prolonged QT

A

sets up torsades

-QT interval larger than 2 big boxes (0.4s)

23
Q

right bundle branch block

A

QRS wide in V1 and V2

24
Q

left bundle branch block

A

QRS wide in V5 and V6

25
Q

biphasic P wave in lead V1

A

atrial enlargement

  • positive right
  • negative left
26
Q

p-pulmonale

A

greater than 2.5mm amplitude of P wave in II, III, AVF

-indicate right atrial hypertrophy

27
Q

abnormal large R wave in V1

A

right ventricular hypertrophy

28
Q

left ventricular hypertrophy

A

V1 and V5 sum > 35mm

also see inverted/asymmetric T waves with strain pattern (humped ST)

29
Q

bifascicular block

A

left bundle 0 either anterior fascicle or posterior fascicle
-and RBBB

30
Q

LBB anterior fascicle block

A

LAD

31
Q

LBB posterior fascicle block

A

RAD

32
Q

necrosis

A

Q waves

-old injury

33
Q

acute injury to myocardium

A

ST elevation - transmural infarction

34
Q

symmetrical inversion of T waves

A

ischemia

35
Q

ST segment depression

A

subendo infarction
angina
stress test

36
Q

MI with LBBB

A

EKG doesn’t work anymore

37
Q

inferior MI

A

II, III, AVF

38
Q

anterior MI

A

V1-4

39
Q

lateral MI

A

I, AVL, V5-5

40
Q

posterior MI

A

V1,2 - tall R wave and ST depression

41
Q

firemans hat

A

ST elevation

42
Q

posterolateral MI

A

circumflex artery

-with anterior reciprocal changes

43
Q

hyperkalemia

A

flat, wide P waves
wide QRS
peaked T waves

44
Q

hypokalemia

A

flat T waves

U waves

45
Q

hypercalcemia

A

short QT interval

wide T wave

46
Q

hypocalcemia

A

prolonged QT interval

-flat T waves

47
Q

hypothermia

A

sinus bradycardia

  • long PR interval
  • wide QRS
  • long QT interval
  • osborn wave
48
Q

osborn wave

A

extra deflection at end of QRS - with hypothermia

49
Q

pericarditis

A

ST elevation flat with T wave off baseline

  • all leads***
  • with PR segment depression
50
Q

pericardial effusion

A

everything is muffled

51
Q

paced rhythm

A

sharp depolarizations
-can be atrial, ventricular, or AV sequential

cannot interpret anything beyond this

52
Q

brugada syndrome

A

RBBB with ST elevation V1-3

looks like QRS and T are merging

CV II Exam 1 (10 decks)

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