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CSI Exam 4 > EKG > Flashcards

EKG Flashcards

1
Q

Normal Sinus Rhythm

A

Rate: 60-100
Rhythm: P before every QRS, regular rate, constant PR interval

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2
Q

Sinus Tachycardia

A

> 100

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3
Q

Sinus Bradycardia

A

< 60

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4
Q

Irregularly irregular rhythm indicates

A

Atrial Fibrillation

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5
Q

Rhythm

A 
P before QRS?
PR interval (AV block)
QRS intervals (BBB)
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6
Q

Afib increases the risk of

A

stroke

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7
Q

What is the most common Sx of A fib?

A

Fatigue

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8
Q

Why does Afib increase the risk of stroke?

A

blood pools in atria –> clots

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9
Q

A fib EKG characteristics

A

irregularly irregular, no P waves, absent isoelectric line, variable ventricular rate

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10
Q

Sx of A fib appear when rate is not controlled, they include:

A

palpitations, weakness, fatigue, lightheaded, dizziness, confusion, chest pain, dyspnea, hypotension, shock

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11
Q

Causes of A fib

A

pericarditis, chest trauma, Obstructive sleep apnea, pulmonary disease, thyrotoxicosis, valvular heart disease, atrial septal defect, HTN, CHD, DCM, surgery

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12
Q

Elderly patients w/ confusion

A

always do EKG, bc they present differently

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13
Q

Causes of Sinus Tachycardia

A

emotion, fever, exercise, pain, anemia, HF, shock, thyrotoxicosis, medication SE, EtOH use or w/d

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14
Q

Ventricular fibrillation EKG

A

Rate 350-450, no waves, inefficient twitching

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15
Q

V fib increase the risk of

A

DEATH

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16
Q

Causes of Sinus Bradycardia

A

Vagal influence on normal pacemaker or organic disease of the sinus node

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17
Q

Lead I

A

Lateral lead

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18
Q

Lead II

A

Inferior lead

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19
Q

Lead III

A

Inferior lead

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20
Q

aVR lead

A

No specific

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21
Q

aVL lead

A

Lateral lead

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22
Q

aVF lead

A

Inferior lead

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23
Q

V1 lead

A

Septal lead

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24
Q

V2 lead

A

Septal lead

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25
Q

V3 lead

A

Anterior lead

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26
Q

V4 lead

A

Anterior lead

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27
Q

V5 lead

A

Lateral lead

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28
Q

V6 lead

A

Lateral lead

29
Q

“saw tooth” appearance on EKG

A

Atrial Flutter

30
Q

Atrial flutter approximate rate if there is 1 “F wave” for every QRS

A

300

31
Q

Atrial flutter approximate rate if there is 2 “F wave” for every QRS

A

150

32
Q

Atrial flutter approximate rate if there is 3 “F wave” for every QRS

A

75

33
Q

Causes of ST elevation in multiple leads

A

pericarditis

34
Q

ST depression + Rate 150-300 may indicate

A

Supraventricular Tachycardia

35
Q

Treatment for SVT

A

adenosine

36
Q

SVT shortens diastole and can lead to

A

ischemia

37
Q

Adenosine administration is followed by asystole followed by

A

normal sinus rhythm (hopefully)

38
Q

Elevated, peaked, symmetric T waves that approach the size of QRS, may indicate

A

hyperkalemia

39
Q

Ventricular Tachycardia

A

wide, regular QRS complex

40
Q

Torsades de Pointe

A

Ventricular tachycardia w/ typical sinusoidal, erratic appearance

41
Q

Treatment for Torsades de Pointe

A

Magnesium Sulfate

42
Q

1st Degree AV Block EKG description

A

prolonged PR

43
Q

2nd Degree AV Block Type 1 EKG description

A

Progressively prolonging PR interval, followed by a dropped beat

44
Q

2nd Degree AV Block Type 2 EKG description

A

PR prolonged, but constant, followed by a dropped beat

45
Q

3rd Degree AV Block EKG description

A

P and QRS are completely independent of each other

46
Q

3rd degree AV block which rate is faster atrial or ventricular

A

atrial rate

47
Q

ST depression indicates

A

ischemia

48
Q

ST elevation in a group of leads indicates

A

infarct

49
Q

Right Bundle Branch Block EKG Findings

A

QRS widening > 120ms
Notched QRS: r’SR
M in Lead V1
W in Lead V6

50
Q

P-wave slurring into QRS complex (delta wave) forming a triangular shape indicates

A

Wolfe-Parkinson-White

ectopic foci -> ventricular pre-excitation

51
Q

T wave inversion can indicate

A

ischemia

52
Q

Anterior Wall MI, ST elevation in which leads

A

V1-V4

53
Q

Anteroseptal MI, ST elevation in which leads

A

V1-V2

54
Q

Anterolateral wall MI, ST elevation in which leads

A

V4-V6

55
Q

Lateral wall MI, ST elevation in which leads

A

Lead I and AVL

56
Q

Inferior wall MI, ST elevation in which leads

A

II, III, aVL

57
Q

Which artery supplies the inferior wall?

A

RCA

58
Q

Which artery supplies the anterior wall?

A

LAD

59
Q

Which artery supplies the anterolateral wall?

A

LCX

60
Q

Which artery supplies the anteroseptal wall?

A

LAD

61
Q

Which artery supplies the lateral wall?

A

LCX

62
Q

Left Bundle Branch Block

A

QRS widening > 120ms
Notched QRS: r’SR
W in Lead V1
M in Lead V6

63
Q

Treatment for Hyperkalemia

A

Calcium (stabilizes cell membrane), Insulin, Dextrose, Kayexelate

64
Q

RBBB is caused by

A

scarring affecting the right conduction pathway

65
Q

What shouldn’t you give as treatment to a patient w/ an Inferior wall MI

A

Nitro

66
Q

Chief complaint of WPW pt

A

syncope

67
Q

ST changes indicate

A

acute events (infarct or ischemia)

68
Q

Treatment for WPW

A

Procainamide or adenosine

69
Q

Do not give which meds for WPW

A

CCB or Nitro

CSI Exam 4 (11 decks)

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