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Assessment > basic 12-lead > Flashcards

basic 12-lead Flashcards

1
Q

Electrical conduction

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2
Q

Electrical Pathway

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3
Q

EKG paper

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4
Q

EKG waves

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5
Q

Cardiac cycle

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6
Q

P wave

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7
Q

PR interval

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8
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9
Q

ST segment

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10
Q

T wave

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11
Q

When is atrial repolarization?

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12
Q

Inherent pacemakers

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13
Q

Sinus rhythm

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14
Q

Sinus bradycardia

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15
Q

Sinus tachycardia

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16
Q

Junctional rhythm: shorter or absent PR interval and narrow QRS tells you that it didn’t start in the SA node started in the AV node

A
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17
Q

Junctional tachycardia: sick sinus; no P no PR good QRS; junctional but faster than normal nodal rate >40-60

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18
Q
A

Supraventricular tachycardia: paroxysmal/ above the ventricle

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19
Q
A

Sinus rhythm

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20
Q
A

Sinus bradycardia

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21
Q
A

Sinus tachycardia

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22
Q
A

Junctional rhythm: shorter or absent PR interval and narrow QRS tells you that it didn’t start in the SA node started in the AV node

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23
Q

Premature atrial contraction: early; still has P normal PR and QRS so it came from atria SA or other

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24
Q

Atrial fibrillation: Rate is ok; no normal P no PR interval; QRS ok

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25
Q

Atrial flutter: more coordinated than afib

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26
Q

Premature ventricular contraction: wide & abnormal QRS; we know ventricular contraction because the QRS is wide; its doing it every other beat (Bigeminy) every 3rd (Trigeminy); would prefer uni-focal PVC’s

A
27
Q

1st degree AVB: PR >0.1-2

A
28
Q

2nd degree, Type I: Weinkebach; longer longer longer drop

A
29
Q

2nd degree, Type II: PR is constant but not conducting each time; not regular

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30
Q

3rd degree AVB: atria are beating & ventricles are beating but not conducting/ not communicating; can use isoproteranol to drive ventricle

A
31
Q

Ventricular tachycardia

A
32
Q

Ventricular fibrillation

A
33
Q

•Halothane/enflurane-

A

sensitize myocardium

34
Q

•Norepi reuptake inhibitors-

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cocaine, ketamine

35
Q

•Sevoflurane-

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bradycardia in infants

36
Q

•Desflurane-

A

Prolonged QT during induction

37
Q

•Local anesthetics-sympathetic block

A
  • Severe bradycardia
  • Intravascular- asystole; lipid rescue
38
Q

•Abnormal ABG or lytes

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•Hyperkalemia with hypoventilation

39
Q

•Endotracheal intubation

A
  • Most common cause
  • Hemodynamic disturbances
40
Q

•Autonomic reflexes during case

A

•Vagal stimuli-carotid, peritoneum, cervix

41
Q

Oculo-cardiac reflex

A

five and dime CNS V & X

42
Q

periop dysrhythmias

A
  • CVP cannulation
  • Surgical manipulation of cardiac structures
43
Q

Postoperative dysrhythmias can also be caused by

A
  • Hypoxemia
  • Cardiac ischemia
  • Catecholamine excess
44
Q

Bipolar Limb leads

A
45
Q

Augmented limb leads

A
46
Q

Six Limb Leads

A
47
Q

Precordial leads- horizontal plane

A
48
Q

The horizontal plane

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49
Q

12 lead EKG’s

A
50
Q

Utility of 12 leads

A
  • Identification of
  • Rhythm
  • Conduction delays
  • Infection
  • Damage

Drug excess

51
Q

Normal 12 lead EKG

A
52
Q

Bundle branch blocks

A
53
Q

Out of sync… we see wider QRS but why?

A
54
Q

Right BBB: QRS >.12 (will look like bunny ears) RR1

A
55
Q

Left BBB: no bunny do have a carrot in V1 but wide QRS

A
56
Q

Left Bundle Branch Fasicles

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57
Q

Coronary Circulation to the Bundles

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58
Q

What am I???

A

A-fib

59
Q

What am I???

A

sinus brady

60
Q

What am I???

A

RBBB

61
Q

What am I???

A

A-flutter

62
Q

What am I???

A

Sinus

63
Q

What am I???

A

2nd degree Mobitz Type II

64
Q
A

Assessment (8 decks)

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