The ECG corner WEEK 5

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Last updated 9:53 AM on 3/31/26
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48 Terms

1
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Heart blocks are caused by conduction disturbances at the:

AV node

2
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An intermittent block; each beat is progressively delayed until the QRS complex is dropped" is a definition of what type of heart block:

Second Degree, Type 1

3
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A First-Degree Heart Block is not a rhythm itself but is a condition that is superimposed on another rhythm. Therefore, when identifying a First-Degree Heart Block, you must also identify the underlying rhythm.

True

4
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Which heart blocks will generate a regular rhythm?

Third Degree

5
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In First-Degree Heart Block, how many P waves will you see for every complex?

One

6
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In Third-Degree Heart Blocks, there will be more P waves than QRS complexes on the ECG.

True

7
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<p>5-step method: Regularity?</p>

5-step method: Regularity?

Regular

8
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<p>5-step method: Rate?</p>

5-step method: Rate?

88bpm

9
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<p>5-step method: P waves?</p>

5-step method: P waves?

uniform and upright

10
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<p>5-step method: PRI seconds?</p>

5-step method: PRI seconds?

0.72

11
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<p>5-step method: QRS seconds?</p>

5-step method: QRS seconds?

0.12

12
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<p>Interpretation?</p>

Interpretation?

Sinus Rhythm with First-Degreee Heart Block

13
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<p>Regularity?</p>

Regularity?

Irregular

14
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<p>Rate?</p>

Rate?

80 bpm

15
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<p>P waves?</p>

P waves?

Uniformed

16
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<p>PRI?</p>

PRI?

Progressively lengthens

17
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<p>QRS</p>

QRS

0.08

18
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<p>Interpretation?</p>

Interpretation?

Wenckebach/Type I Second-Degree Heart Block/Type 1 Second-Degree Heart Block

19
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<p>Regularity?</p>

Regularity?

Regular

20
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<p>Rate?</p>

Rate?

36 bpm

21
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<p>P waves?</p>

P waves?

Uniformed and upright

22
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<p>PRI?</p>

PRI?

Not related

23
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<p>QRS</p>

QRS

0.16 seconds

24
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<p>Interpretations?</p>

Interpretations?

Third-Degree Heart Block

25
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<p>Regularity?</p>

Regularity?

Regular

26
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<p>Rate?</p>

Rate?

75 bpm

27
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<p>P waves?</p>

P waves?

uniform

28
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<p>PRI?</p>

PRI?

0.30

29
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<p>QRS?</p>

QRS?

0.14

30
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<p>Interpretation?</p>

Interpretation?

Sinus Rhythm with First-Degree Heart Block

31
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<p>Regularity?</p>

Regularity?

Irregular

32
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<p>Rate?</p>

Rate?

40 bpm

33
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<p>P waves?</p>

P waves?

Uniform

34
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<p>PRI?</p>

PRI?

0.20 sec on conducted beats

35
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<p>QRS?</p>

QRS?

0.08

36
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<p>Interpretation?</p>

Interpretation?

Type II Seconds Degree Heart Block/Type 2 Second Degree Heart Block

37
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<p>Regularity?</p>

Regularity?

Irregular

38
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<p>Rate?</p>

Rate?

60 bpm

39
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<p>P waves?</p>

P waves?

Uniform

40
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<p>PRI?</p>

PRI?

progressively lengthens

41
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<p>QRS?</p>

QRS?

0.08 seonds

42
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<p>Interpretation?</p>

Interpretation?

Type I Second-Degree Heart Block

43
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<p>Regularity?</p>

Regularity?

regular

44
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<p>Rate?</p>

Rate?

32 bpm

45
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<p>P waves?</p>

P waves?

Uniform

46
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<p>PRI?</p>

PRI?

Unrelated

47
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<p>QRS?</p>

QRS?

0.08

48
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<p>Interpretation?</p>

Interpretation?

Third-Degree Heart Block