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Cardiovascular Lectures > ALL ECG (Interpretations, Rhythms, Differentials) > Flashcards

ALL ECG (Interpretations, Rhythms, Differentials) Flashcards

1
Q
A
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2
Q

Short PR interval

A
  • Lown–Ganong–Levine syndrome (LGL) is a pre-excitation syndrome of the heart due to abnormal electrical communication between the atria and the ventricles.
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3
Q

Long PR interval

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6
Q

Pathological Q waves

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7
Q

Large R or S waves

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8
Q

Small QRS complexes

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9
Q

Wide QRS complexes

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10
Q

Abnormal shaped QRS complexes

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11
Q

ST segment elevation

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12
Q

ST segment depression

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13
Q

J waves present

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Hypothermia

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14
Q

Wide P wave

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LAE

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15
Q

Short QTc interval

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16
Q

Long QTc interval

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17
Q

Tall T waves

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18
Q

Small T waves

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19
Q

Inverted T waves

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20
Q

Tall P wave

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RAE

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29
Q

Diffuse J point

A

Early repolarization, LVH with strain, pericarditis, acute MI

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35
Q

Prominent U waves

A
  • • Hypokalemia
  • • Hypercalcemia
  • • Hyperthyroidism
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36
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37
Q

Types of SA nodal rhythms

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38
Q

What is the defining feature for each type of AV block?

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39
Q

What are the Atrial rhythms?

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40
Q

What are the main types of Ectopic beats?

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41
Q

What are the main types of SVTs?

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42
Q

What are the main types of Ventricular rhythms?

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43
Q

What are the main Conduction disturbances?

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44
Q

What are the main types of Escape rhythms?

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53
Q

SA nodal rhythm

P wave for every QRS, QRS for every P wave

A

Sinus rhythm

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54
Q

SA nodal rhythm

HR increases during inspiration

A

Sinus arrhythmia

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55
Q

SA nodal rhythms

>100bpm

A

Sinus tachycardia

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56
Q

SA nodal rhythms

dysfunction of sinus node: <60bpm

A

Sinus bradycardia

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57
Q

SA nodal rhythms

dysfunction of sinus node: P fails, next P where expected

A

SA block

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58
Q

SA nodal rhythms

dysfunction of sinus node: P fails, next P not where expected

A

Sinus arrest

59
Q

AV block

long PR

A

First-degree

60
Q

AV block

non-conducted P waves: progressive lengthening of PR

A

Second-degree

Mobitz Type I

61
Q

AV block

non-conducted P waves: PR constant

A

Second-degree

Mobitz Type II

62
Q

AV blocks

atria and ventricles are independent

A

Third-degree

63
Q

Atrial rhythms

>100bpm, abnormally shaped P waves

A

Atrial tachycardia

64
Q

Atrial rhythms

sawtooth P, atrial rate 300/min, AV bl.

A

Atrial flutter

65
Q

Atrial rhythms

no P waves, irregularly irregular

A

Atrial fibrillation

66
Q

Ectopic beats

early P wave, abnormal P wave shape

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Atrial ectopic beats

67
Q

Ectopic beats

early QRS, narrow QRS

A

AV junctional ectopics

68
Q

Ectopic beats

early QRS, broad QRS

A

Ventricular ectopics

69
Q

SVTs

narrow QRS, inverted P, P half-buried

A

• AV re-entry tachycardia

70
Q

SVTs

narrow QRS, P buried inside QRS

A

AV nodal re-entry tachycardia

71
Q

Ventricular rhythms

broad QRS, 3+ PVCs in a row

A

Ventricular tachycardia

72
Q

Ventricular rhythms

broad QRS, HR <120bpm

A

Accelerated idioventricular rhythm

73
Q

Ventricular rhythms

broad QRS, polymorphic, long QT

A

Torsades de pointes

74
Q

Ventricular rhythms

no identifiable waves, erratic

A

Ventricular fibrillation

75
Q

Conduction disturbances

V1: small Q, R, S; V6: R, S, R’

A

Left bundle branch block

76
Q

Conduction disturbances

V1: tiny R, S, R’; V6: small Q, R, S

A

Right bundle branch block

77
Q

Escape rhythms

narrow QRS, absent P, 40-60bpm

A

AV junctional escape rhythm

78
Q

Escape rhythms

• broad QRS, absent P, 15-40bpm

A

Ventricular junct. escape rhythm

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80
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Cardiovascular Lectures (27 decks)

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