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EKG Use and Interpretation > Exam 1 - Rhythms > Flashcards

Exam 1 - Rhythms Flashcards

1
Q

Rate - 60-100

Rhythm - Regular

P Wave - Present before each QRS

PR Interval - 0.12-0.20s (3-5 little boxes)

QRS Complex - < 0.12s (Narrow)

A

Normal Sinus Rhythm

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2
Q

Rate - Usually 60-100

Rhythm - Cyclically Irregular (Matched with Breath)

P Wave - Present before each QRS

PR Interval - 0.12-0.20s (3-5 little boxes)

QRS Complex - < 0.12s (Narrow)

A

Sinus Arrythmia

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3
Q

Rate - < 60

Rhythm - Regular

P Wave - Present before each QRS

PR Interval - 0.12-0.20s (3-5 little boxes)

QRS Complex - < 0.12s (Narrow)

A

Sinus Bradycardia

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4
Q

Rate - > 100

Rhythm - Regular

P Wave - Present before each QRS

PR Interval - 0.12-0.20s (3-5 little boxes)

QRS Complex - < 0.12s (Narrow)

A

Sinus Tachycardia

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5
Q

Rate - Any

Rhythm - Irregular

P Wave - Present, premature, abnormal in shape, still before QRS

PR Interval - 0.12-0.20s (3-5 little boxes)

QRS Complex - < 0.12s (Narrow)

*Followed by a compensatory pause.

A

Premature Atrial Contraction (PAC)

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6
Q

Special pattern of PAC where every other beat is a PAC

A

Atrial Bigeminy

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7
Q

Rate - < 100

Rhythm - Irregular

P Wave - Present, 3 or more morphologies; still before QRS

PR Interval - 0.12-0.20s (3-5 little boxes)

QRS Complex - < 0.12s (Narrow)

A

Wandering Pacemaker

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8
Q

Rate - > 100

Rhythm - Irregular

P Wave - Present, 3 or more morphologies, still before QRS

PR Interval - 0.12-0.20s (3-5 little boxes)

QRS Complex - < 0.12s (Narrow)

A

Multifocal Atrial Tachycardia (MAT)

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9
Q

Rate - Varies

Rhythm - Irregularly Irregular

P Wave - Fibriallary

PR Interval - Absent

QRS Complex - < 0.12s (Narrow)

A

Atrial Fibriallation

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10
Q

Rate - 150-250

Rhythm - Regular

P Wave - Appears “Absent”

PR Interval - Tough to Identify

QRS Complex - < 0.12s (Narrow)

A

Paroxysmal Supraventricular Tachycardia

or

Atrioventricular Nodal Re-entry Tachycardia

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11
Q

Rate - 40-60

Rhythm - Regular

P Wave - Absent, Retrograde, Inverted

PR Interval - < 0.20s (< 5 little boxes)

QRS Complex - < 0.12s (Narrow) or > 0.12s (Wide)

A

Junctional Rhythm

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12
Q

Rate - 60-100

Rhythm - Regular

P Wave - Absent, Retrograde, Inverted

PR Interval - < 0.20s (< 5 little boxes)

QRS Complex - < 0.12s (Narrow)

A

Accelerated Junctional Rhythm

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13
Q

Rate - 101-150

Rhythm - Regular

P Wave - Absent, Retrograde, Inverted

PR Interval - < 0.20s (< 5 little boxes)

QRS Complex - < 0.12s (Narrow)

A

Junctional Tachycardia

It may be hard to distinguish the difference between Junctional Tachycardia and PSVT/ANVRT.

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14
Q

Rate - 20-40

Rhythm - Regular

P Wave - Absent

PR Interval - N/A

QRS Complex - > 0.12s (Wide)

A

Idioventricular Rhythm (IVR)

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15
Q

Rate - > 40

Rhythm - Regular

P Wave - Absent

PR Interval - N/A

QRS Complex - > 0.12s (Wide)

A

Accelerated Idioventricular Rhythm (AIVR)

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16
Q

Rate - Any

Rhythm - Irregular

P Wave - Absent before PVC

PR Interval - N/A

QRS Complex - > 0.12 (Early, Wide, Bizarre)

A

Premature Ventricular PVC

17
Q

Single PVC; NSR w/ Isolated PVC at Beat X

A

Isolated PVC

18
Q

NSR w/ 2 Multifocal PVCs at Beat X, Y

A

NSR w/ 2 Multifocal Beats at X, Y

19
Q

NSR w/ 3 Multifocal PVCS at Beat X, Y, Z

A

NSR w/ 3 Multifocal Beats at X, Y, Z

20
Q

Every other beat is a PVC

A

Ventricular Bigeminy

21
Q

Every third beat is a PVC

A

Ventricular Trigeminy

22
Q

Every fourth beat is a PVC

A

Ventricular Quadreminy

23
Q

Two PVCs in a row

A

Ventricular Couplet

24
Q

Three PVCs in a row

A

Ventricular Triplet (Salvo)

25
Q

Rate - > 100

Rhythm - Regular

P Wave - Absent

PR Interval - N/A

QRS Complex - > 0.12s (Wide)

A

Monomorphic Ventricular Tachycardia

26
Q

Rate - > 300

Rhythm - Irregular

P Wave - Absent

PR Interval - N/A

QRS Complex - > 0.12s (Wide)

A

Polymorphic Ventricular Tachycardia

27
Q

Rate - No True Rate (300-500)

Rhythm - Very Irregular

P Wave - Absent

PR Interval - N/A

QRS Complex - Fibrillary

A

Ventricular Fibrillation

Course V-Fib; Amplitude > 3mm
Fine V-Fib; Amplitude < 3mm

28
Q

Rate - 60-100

Rhythm - Irregular

P Wave - Present before each QRS, the absence of a P-Wave leads to a 2-second or more arrest. Followed by an escape beat.

PR Interval - 0.12-0.20s (3-5 little boxes)

QRS Complex - < 0.12s (Narrow)

A

Sinus Arrest with Sinus Block

29
Q

Rate - ~ 60

Rhythm - Regular

P Wave - Present before each QRS

PR Interval - > 0.20s (> 5 little boxes)

QRS Complex - < 0.12s (Narrow)

A

“X” w/ 1st Degree AV Block

30
Q

Rate - Varies

Rhythm - Regular, Irregular (2:1, 3:1 Block), Irregular Irregular (Variable Block)

P Wave - Present, “F-Wave” or “Saw Tooth” morphology

PR Interval - None

QRS Complex - < 0.12s (Narrow)

A

Atrial Flutter

31
Q

Rate -

Rhythm -

P Wave -

PR Interval -

QRS Complex -

32
Q

Isolated Beat

Rate - N/A

Rhythm - N/A

P Wave - Absent, Retrograde, Inverted followed by a compensatory pause.

PR Interval - < 0.20s (< 5 little boxes)

QRS Complex - < 0.12s (Narrow)

A

Premature Junctional Contraction (PJC)

33
Q

Rate - Absent

Rhythm - Absent

P Wave - Absent or Present

PR Interval - 0.12-0.20s (3-5 little boxes)

QRS Complex - < 0.12s (Narrow)

34
Q

Rate - Underlying Rhythm

Rhythm - Irregular

P Wave - Present before each QRS

PR Interval - Gradually lengthening PR interval until a QRS complex is dropped.

QRS Complex - < 0.12s (Narrow)

A

2nd Degree AV Block: Type I

35
Q

Rate - Underlying Rhythm

Rhythm - Irregular

P Wave - Present before each QRS

PR Interval - PR interval remains constant, but the intermittent dropping of QRS

QRS Complex - Usually > 0.12s (Wide)

A

2nd Degree AV Block: Mobitz Type II

36
Q

Rate - A: 60-100 bpm; V: 40-60 bpm

Rhythm - R-R Interval is Regular

P Wave - Present P-P Interval Regular

PR Interval - No association between P and QRS

QRS Complex - Usually > 0.12s (Wide)

A: R-R Interval

V: P-P Interval

A

3rd Degree AV Block (Complete Heart Block)

EKG Use and Interpretation (5 decks)

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