ALL ECG (Interpretations, Rhythms, Differentials)

Question 2

Short PR interval

Answer 2

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

Question 3

Long PR interval

Answer 3

Question 6

Pathological Q waves

Answer 6

Question 7

Large R or S waves

Answer 7

Question 8

Small QRS complexes

Answer 8

Question 9

Wide QRS complexes

Answer 9

Question 10

Abnormal shaped QRS complexes

Answer 10

Question 11

ST segment elevation

Answer 11

Question 12

ST segment depression

Answer 12

Question 13

J waves present

Answer 13

Hypothermia

Question 14

Wide P wave

Answer 14

LAE

Question 15

Short QTc interval

Answer 15

Question 16

Long QTc interval

Answer 16

Question 17

Tall T waves

Answer 17

Question 18

Small T waves

Answer 18

Question 19

Inverted T waves

Answer 19

Question 20

Tall P wave

Answer 20

RAE

Question 29

Diffuse J point

Answer 29

Early repolarization, LVH with strain, pericarditis, acute MI

Question 35

Prominent U waves

Answer 35

• • Hypokalemia
• • Hypercalcemia
• • Hyperthyroidism

Question 37

Types of SA nodal rhythms

Answer 37

Question 38

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

Answer 38

Question 39

What are the Atrial rhythms?

Answer 39

Question 40

What are the main types of Ectopic beats?

Answer 40

Question 41

What are the main types of SVTs?

Answer 41

Question 42

What are the main types of Ventricular rhythms?

Answer 42

Question 43

What are the main Conduction disturbances?

Answer 43

Question 44

What are the main types of Escape rhythms?

Answer 44

Question 53

SA nodal rhythm P wave for every QRS, QRS for every P wave

Answer 53

Sinus rhythm

Question 54

SA nodal rhythm HR increases during inspiration

Answer 54

Sinus arrhythmia

Question 55

SA nodal rhythms \>100bpm

Answer 55

Sinus tachycardia

Question 56

SA nodal rhythms dysfunction of sinus node: \<60bpm

Answer 56

Sinus bradycardia

Question 57

SA nodal rhythms dysfunction of sinus node: P fails, next P where expected

Answer 57

SA block

Question 58

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

Answer 58

Sinus arrest

Question 59

AV block long PR

Answer 59

First-degree

Question 60

AV block non-conducted P waves: progressive lengthening of PR

Answer 60

Second-degree Mobitz Type I

Question 61

AV block non-conducted P waves: PR constant

Answer 61

Second-degree Mobitz Type II

Question 62

AV blocks atria and ventricles are independent

Answer 62

Third-degree

Question 63

Atrial rhythms \>100bpm, abnormally shaped P waves

Answer 63

Atrial tachycardia

Question 64

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

Answer 64

Atrial flutter

Question 65

Atrial rhythms no P waves, irregularly irregular

Answer 65

Atrial fibrillation

Question 66

Ectopic beats early P wave, abnormal P wave shape

Answer 66

Atrial ectopic beats

Question 67

Ectopic beats early QRS, narrow QRS

Answer 67

AV junctional ectopics

Question 68

Ectopic beats early QRS, broad QRS

Answer 68

Ventricular ectopics

Question 69

SVTs narrow QRS, inverted P, P half-buried

Answer 69

• AV re-entry tachycardia

Question 70

SVTs narrow QRS, P buried inside QRS

Answer 70

AV nodal re-entry tachycardia

Question 71

Ventricular rhythms broad QRS, 3+ PVCs in a row

Answer 71

Ventricular tachycardia

Question 72

Ventricular rhythms broad QRS, HR \<120bpm

Answer 72

Accelerated idioventricular rhythm

Question 73

Ventricular rhythms broad QRS, polymorphic, long QT

Answer 73

Torsades de pointes

Question 74

Ventricular rhythms no identifiable waves, erratic

Answer 74

Ventricular fibrillation

Question 75

Conduction disturbances V1: small Q, R, S; V6: R, S, R’

Answer 75

Left bundle branch block

Question 76

Conduction disturbances V1: tiny R, S, R’; V6: small Q, R, S

Answer 76

Right bundle branch block

Question 77

Escape rhythms narrow QRS, absent P, 40-60bpm

Answer 77

AV junctional escape rhythm

Question 78

Escape rhythms • broad QRS, absent P, 15-40bpm

Answer 78

Ventricular junct. escape rhythm

Question 79

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Question 109

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Question 110

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