Textbook

Knowledge targets

category	item
Normal tracing
	Normal ECG
Technical Problems
	Leads misplaced
	Artifacts
Sinus node rhythms and arrhythmias
	Sinus rhythm
	Sinus tachycardia (>100 beats per minute)
	Sinus bradycardia (<50 beats per minute)
	Sinus arrest or pause
	Sino-atrial exit block	x	x	x
Other Supraventricular Rhythms
	Atrial premature complexes	x	x	x
	Atrial premature complexes, nonconducted	x	x	x
	Ectopic atrial rhythm	x	x	x
	Atrial fibrillation	x	x	x
	Atrial flutter	x	x	x
	Junctional premature complexes	x	x	x
	Supraventricular tachycardia, paroxysmal	x	x	x
Ventricular Arrhythmias
	Ventricular premature complexes	x	x	x
	Ventricular escape complexes or rhythm	x	x	x
	Accelerated idioventricular rhythm	x	x	x
	Ventricular tachycardia	x	x	x
	Ventricular tachycardia, polymorphous (including torsade de pointes)	x	x	x
	Ventricular fibrillation	x	x	x
	Ectopic atrial tachycardia, unifocal	x	x	x
	Ectopic atrial tachycardia, unifocal	x	x	x
	Ectopic atrial tachycardia, unifocal	x	x	x
	Ectopic atrial tachycardia, unifocal	x	x	x
	Ectopic atrial tachycardia, unifocal	x	x	x
	Ectopic atrial tachycardia, unifocal	x	x	x
	Ectopic atrial tachycardia, unifocal	x	x	x
	Ectopic atrial tachycardia, unifocal	x	x	x
	Ectopic atrial tachycardia, unifocal	x	x	x
	Ectopic atrial tachycardia, unifocal	x	x	x
	Ectopic atrial tachycardia, unifocal	x	x	x
	Ectopic atrial tachycardia, unifocal	x	x	x
	Ectopic atrial tachycardia, unifocal	x	x	x
	Ectopic atrial tachycardia, unifocal	x	x	x
	Ectopic atrial tachycardia, unifocal	x	x	x
	Ectopic atrial tachycardia, unifocal	x	x	x
	Ectopic atrial tachycardia, unifocal	x	x	x
	Ectopic atrial tachycardia, unifocal	x	x	x
	Ectopic atrial tachycardia, unifocal	x	x	x

ATRIAL VENTRICULAR CONDUCTION

28. First-degree AV block

29. Mobitz Type 1 second-degree AV block (Wenckebach)

30. Mobitz Type 2 second-degree AV block

31. AV block or conduction ratio, 2:1

32. AV block, varying conduction ratio

33. AV block, advanced (high-grade)

34. AV block, complete (third-degree)

35. AV dissociation

INTRAVENTRICULAR CONDUCTION

36. Left bundle branch block (fixed or intermittent)

37. Right bundle branch block (fixed or intermittent, complete or incomplete)

38. Intraventricular conduction delay, nonspecific

39. Aberrant conduction of supraventricular beats

40. Left anterior fascicular block

41. Left posterior fascicular block

42. Ventricular pre-excitation (Wolff-Parkinson-White pattern)

QRS AXIS AND VOLTAGE

43. Right axis deviation (+90 to +180 degrees)

44. Left axis deviation (-30 to -90 degrees)

45. Indeterminate axis

46. Electrical alternans

47. Low voltage (less than 0.5 mV total QRS amplitude in each extremity lead and less than 1.0 mV in each Precordial lead)

CHAMBER HYPERTROPHY OR ENLARGEMENT

48. Left atrial enlargement, abnormality, or conduction defect

49. Right atrial abnormality

50. Left ventricular hypertrophy (QRS abnormality only)

51. Left ventricular hypertrophy with secondary ST-T abnormality

52. Right ventricular hypertrophy with or without secondary ST-T abnormality

REPOLARIZATION (ST-T,U) ABNORMALITIES

53. Early repolarization (normal variant)

54. Juvenile T waves (normal variant)

55. Nonspecific abnormality, ST segment and/or T wave

56. ST and/or T wave suggests ischemia

57. ST suggests injury

58. ST suggests ventricular aneurysm

59. Q-T interval prolonged

60. Prominent U waves

MYOCARDIAL INFARCTION

61. Inferior MI (acute or recent)

62. Inferior MI (old or age indeterminate)

63. Posterior MI (acute or recent)

64. Posterior MI (old or age indeterminate)

65. Septal MI (acute or recent)

66. Anterior MI (acute or recent)

67. Anterior MI (old or age indeterminate)

68. Lateral MI (acute or recent)

69. Lateral MI (old or age indeterminate)

70. Right ventricular infarction (acute)

CLINICAL DISORDERS

71. Chronic pulmonary disease pattern

72. Acute pericarditis

73. Suggests hypokalemia

74. Suggests hyperkalemia

75. Suggests hypocalcemia

76. Suggests hypercalcemia

77. Suggests CNS disease

PACEMAKER

78. Atrial-paced rhythm

79. Ventricular-paced rhythm

80. Atrial-sensed ventricular-paced rhythm

81. AV dual-paced rhythm

82. Failure of appropriate capture, atrial

83. Failure of appropriate capture, ventricular

84. Failure of appropriate inhibition, atrial

85. Failure of appropriate inhibition, ventricular

86. Failure of appropriate pacemaker firing

87. Retrograde atrial activation

88. Pacemaker mediated tachycardia