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Monitor Tech Academy gives you tools you need for a career in cardiac monitoring.

Written by Judith Haluka, Judith has helped write or review several medical publications for us. Everything that she works on will clearly include Judith’s name.

Click or tap the cards to see the answer

Sinus Brady - heart rate is less than 60

1 Sinus brady — heart rate is less than 60

Normal Sinus Rhythm

2 Normal sinus rhythm

Normal Sinus Rhythm

3 Normal sinus rhythm

Supraventricular Tachycardia (SVT) Narrow complex tachycardia

4 Supraventricular tachycardia (SVT) narrow complex tachycardia

Sinus Tachycardia - heart rate greater than 100

5 Sinus tachycardia — heart rate greater than 100

Normal Sinus Rhythm

6 Normal sinus rhythm

Normal Sinus Rhythm

7 Normal sinus rhythm

Sinus Arrhythmia (rhythm slightly irregular)

8 Sinus arrhythmia (rhythm slightly irregular)

Supraventricular Tachycardia (SVT) Narrow complex tachycardia

9 Supraventricular tachycardia (SVT) narrow complex tachycardia

Sinus Bradycardia (heart rate less than 60)

10 Sinus bradycardia (heart rate less than 60)

Sinus Bradycardia - 1st Degree AV Block (PR 0.22 seconds)

11 Sinus bradycardia — 1st degree AV block (PR 0.22 seconds)

Sinus Tachycardia - heart rate greater than 100

12 Sinus tachycardia — heart rate greater than 100

Wandering atrial pacemaker (p waves look different)

13 Wandering atrial pacemaker (p waves look different)

Atrial Fibrillation (rate 140): Irregular without discernible P waves

14 Atrial fibrillation (rate 140): irregular without discernible P waves

Sinus Rhythm with a PAC: 4th beat is early and narrow with compensatory pause

15 Sinus rhythm with a PAC: 4th beat is early and narrow with compensatory pause

Atrial Fibrillation (rate 100): Irregular without discernible P waves

16 Atrial fibrillation (rate 100): irregular without discernible P waves

Sinus Arrhythmia (rhythm slightly irregular)

17 Sinus arrhythmia (rhythm slightly irregular)

Atrial Fibrillation rate of 90 (irregular with no discernable P waves)

18 Atrial fibrillation rate of 90 (irregular with no discernable P waves)

Second Degree AV Block (Second degree heart block) Type I (Wenckebach) PR longer, longer, dropped beat

19 Second degree AV block (Second degree heart block) type I (wenckebach) PR longer, longer, dropped beat

Sinus Rhythm with multifocal PVCs (PVCs look different from each other)

20 Sinus rhythm with multifocal PVCs (PVCs look different from each other)

Sinus Rhythm with a PVC (Premature wide complex beat)

21 Sinus rhythm with a PVC (premature wide complex beat)

Sinus Arrhythmia with wandering atrial pacemaker

22 Sinus arrhythmia with wandering atrial pacemaker

Accelerated Junctional Rhythm (heart rate is 80)

23 Accelerated junctional rhythm (heart rate is 80)

Sinus Bradycardia with 1st degree AV block (PR 0.22 seconds) HR=50

24 Sinus bradycardia with 1st degree AV block (PR 0.22 seconds) HR=50

Atrial flutter with varying conduction (saw tooth baseline)

25 Atrial flutter with varying conduction (saw tooth baseline); however, from a cardiologist or EP perspective, this is coarse atrial fibrillation (pseudo flutter waves changing morphology and rate)

Sinus Tachycardia - heart rate greater than 100

26 Sinus tachycardia ECG shows — heart rate greater than 100

Normal Sinus Rhythm

27 Normal sinus rhythm

Normal Sinus Rhythm

28 Normal sinus rhythm

Atrial Fibrillation (irregular rhythm without discernible P waves)

29 Atrial fibrillation (irregular rhythm without discernible P waves)

Atrial fib (would accept atrial flutter) at rate of 140

30 Atrial fib (would accept atrial flutter) at rate of 140

Second degree AV block type I (wenckebach) PR longer, longer, dropped beat

31 Second degree AV block type I (wenckebach) PR longer, longer, dropped beat

Atrial flutter (basic) atrial tachycardia with block if more advanced

32 Atrial flutter (basic) ttrial tachycardia with block if more advanced

Atrial fibrillation/flutter goes between no discernible P's and flutter waves.

33 Atrial fibrillation/flutter goes between no discernible P's and flutter waves.

Sinus arrhythmia (basic) sinus rhythm with blocked PAC if more advanced

34 Sinus arrhythmia (basic) sinus rhythm with blocked PAC if more advanced

Atrial flutter with 3:1 conduction

35 Atrial flutter with 3:1 conduction

Sinus tachycardia - heart rate greater than 100

36 Sinus tachycardia — heart rate greater than 100

Normal sinus rhythm

37 Normal sinus rhythm

Accelerated junctional rhythm (heart rate is 70)

38 Accelerated junctional rhythm (heart rate is 70)

Sinus rhythm with PVC

39 Sinus rhythm with PVC

Junctional rhythm (rate of 30)

40 Junctional rhythm (rate of 30)

Sinus rhythm with premature atrial contraction (PAC 3rd beat)

41 Sinus rhythm with premature atrial contraction (PAC 3rd beat)

Normal sinus rhythm

42 Normal sinus rhythm

Sinus rhythm with a PAC (second beat)

43 Sinus rhythm with a PAC (second beat)

Atrial flutter (basic) atrial tachycardia with block if more advanced

44 Atrial flutter (basic) atrial tachycardia with block if more advanced

Sinus tachycardia - heart rate greater than 100

45 Sinus tachycardia — heart rate greater than 100

Ventricular fibrillation

46 Ventricular fibrillation

Sinus rhythm with ventricular bigeminy (PVC every other beat)

47 Sinus rhythm with ventricular bigeminy (PVC every other beat)

Ventricular fibrillation

48 Ventricular fibrillation

Sinus bradycardia with 1st degree AV block (PR 0.26 seconds) HR=50

49 Sinus bradycardia with 1st degree AV block (PR 0.26 seconds) HR=50

Sinus rhythm with 1st degree AV block (PR -.26 seconds)

50 Sinus rhythm with 1st degree AV block (PR -.26 seconds)

Atrial fibrillation (irregular rhythm without discernible P waves)

51 Atrial fibrillation (irregular rhythm without discernible P waves)

Sinus rhythm (could call this sinus tachycardia HR 100)

52 Sinus rhythm (could call this sinus tachycardia HR 100)

Normal sinus rhythm

53 Normal sinus rhythm

Sinus bradycardia HR 40

54 Sinus bradycardia HR 40

Normal sinus rhythm

55 Normal sinus rhythm

Sinus rhythm with premature atrial contraction (PAC 4th beat)

56 Sinus rhythm with premature atrial contraction (PAC 4th beat)

Atrial fibrillation

57 Atrial fibrillation (Atrial fibrillation ecg)

Sinus rhythm with ventricular bigeminy (PVC every other beat)

58 Sinus rhythm with ventricular bigeminy (PVC every other beat)

Sinus rhythm with AV sequential pacing (atrial firing and conducting)

59 Sinus rhythm with AV sequential pacing (atrial firing and conducting)

Sinus bradycardia (HR=50)

60 Sinus bradycardia (HR=50)

Normal sinus rhythm

61 Normal sinus rhythm

Atrial fibrillation (irregular rhythm without discernible P waves)

62 Atrial fibrillation (irregular rhythm without discernible P waves)

Normal sinus rhythm

63 Normal sinus rhythm

Sinus rhythm with 1st degree AV block (PR -.26 seconds)

64 Sinus rhythm with 1st degree AV block (PR -.26 seconds)

Atrial fibrillation (with a few flutter beats)

65 Atrila fibrillation (with a few flutter beats)

Junctional rhythm (P waves occur after the QRS with HR 50)

66 Junctional rhythm (P waves occur after the QRS with HR 50)

2nd degree AV block mobitz I (wenckebach) PR gets longer, longer then dropped QRS

67 2nd degree AV block mobitz I (wenckebach) PR gets longer, longer then dropped QRS

SR (beginning) to supraventricular tachycardia (SVT) : narrow complex tachycardia

68 SR (beginning) to supraventricular tachycardia (SVT) : narrow complex tachycardia

Sinus rhythm with ventricular bigeminy (PVC every other beat)

69 Sinus rhythm with ventricular bigeminy (PVC every other beat)

Sinus tachycardia - heart rate greater than 100

70 Sinus tachycardia — heart rate greater than 100

Atrial fibrillation (irregular rhythm without discernible P waves)

71 Atrial fibrillation (irregular rhythm without discernible P waves)

Wandering atrial pacemaker (p waves look different)

72 Wandering atrial pacemaker (p waves look different)

Sinus bradycardia (heart rate less than 60)

73 Sinus bradycardia (heart rate less than 60)

Complete heart block (3rd degree heart block) with ventricular (wide) response

74 Complete heart block (3rd degree heart block) with ventricular (wide) response

Sinus tachycardia - heart rate greater than 100

75 Sinus tachycardia — heart rate greater than 100

Sinus arrhythmia

76 Sinus arrhythmia

Sinus tachycardia - heart rate greater than 100

77 Sinus tachycardia — heart rate greater than 100

Junctional rhythm (rate of 60)

78 Junctional rhythm (rate of 60)

Normal sinus rhythm

79 Normal sinus rhythm

Normal sinus rhythm

80 Normal sinus rhythm

Sinus tachycardia

81 Sinus tachycardia

Asystole

82 Asystole

Sinus rhythm with vetricular couplet (two PVCs in a row)

83 Sinus rhythm with vetricular couplet (two PVCs in a row)

Sinus rhythm with a premature atrial contraction (PAC 7th beat)

84 Sinus rhythm with a premature atrial contraction (PAC 7th beat)

Ventricular tachycardia

85 Ventricular tachycardia

Accelerated junctional thythm (regular, no P waves, rate >60)

86 Accelerated junctional rhythm (regular, no P waves, rate >60)

Wandering atrial pacemaker with PAC

87 Wandering atrial pacemaker with PAC

2nd degree AV block mobitz I (wenckebach) PR gets longer, longer then dropped QRS

88 2nd degree AV block mobitz I (wenckebach) PR gets longer, longer then dropped QRS

Sinus tachycardia - heart rate greater than 100

89 Sinus tachycardia — heart rate greater than 100

Atrial flutter with 2:1 conduction (would accept SVT)

90 Atrial flutter with 2:1 conduction (would accept SVT)

Ventricular tachycardia

92 Ventricular tachycardia

Sinus rhythm with PVCs

93 Sinus rhythm with PVCs

Atrial fibrillation (irregular rhythm without discernible P waves)

94 Atrial fibrillation (irregular rhythm without discernible P waves)

Sinus tachycardia - heart rate greater than 100

95 Sinus tachycardia — heart rate greater than 100

Sinus bradycardia - heart rate 40

96 Sinus bradycardia — heart rate 40

Sinus rhythm with 1st degree AV block (PR -.30 seconds)

97 Sinus rhythm with 1st degree AV block (PR -.30 seconds)

Sinus bradycardia with a sinus pause

98 Sinus bradycardia with a sinus pause

Sinus rhythm with atrial bigeminy (PAC every other beat)

99 Sinus rhythm with atrial bigeminy (PAC every other beat)

Sinus tachycardia - heart rate greater than 100

100 Sinus tachycardia — heart rate greater than 100

Normal sinus rhythm

101 Normal sinus rhythm

Sinus tachycardia - heart rate greater than 100

102 Sinus tachycardia — heart rate greater than 100

Junctional rhythm

103 Junctional rhythm

Junctional tachycardia

104 Junctional tachycardia

Junctional rhythm

105 Junctional rhythm

Accelerated junctional rhythm (Inverted P wave Rate >60)

106 Accelerated junctional rhythm (Inverted P wave Rate >60)

Sinus tachycardia - heart rate greater than 100

107 Sinus tachycardia — heart rate greater than 100

Sinus rhythm with atrial bigeminy (PAC every other beat)

108 Sinus rhythm with atrial bigeminy (PAC every other beat)

Sinus rhythm with PVCs

109 Sinus rhythm with PVCs

Atrial flutter (advanced atrial tachycardia with block)

110 Atrial flutter (advanced atrial tachycardia with block)

Atrial fibrillation

111 Atrial fibrillation

Sinus arrhythmia

112 Sinus arrhythmia

Sinus rhythm

113 Sinus rhythm

Sinus rhythm with PACs

114 Sinus rhythm with PACs

Sinus tachycardia - heart rate greater than 100

115 Sinus tachycardia — heart rate greater than 100

Accelerated Junctional Rhythm

116 Accelerated junctional rhythm

Sinus bradycardia with 1st degree AV block of .26 seconds

117 Sinus bradycardia with 1st degree AV block of .26 seconds

Mobitz I heart block (the last beat is actually a junctional beat)

118 Mobitz I heart block (the last beat is actually a junctional beat)

Sinus rhythm with a 1st degree AV Block

119 Sinus rhythm with a 1st degree AV Block

3rd degree heart block (complete heart block)

120 3rd degree heart block (complete heart block)

2nd degree AV block mobitz II (2 or more P waves for every QRS)

121 2nd degree AV block mobitz II (2 or more P waves for every QRS)

Sinus rhythm with 1st degree AV block

122 Sinus rhythm with 1st degree AV block

2nd degree AV block mobitz type I (wenckebach) PR longer, longer, dropped QRS

123 2nd degree AV block mobitz type I (wenckebach) PR longer, longer, dropped QRS

Multifocal atrial tachycardia

124 Multifocal atrial tachycardia

Sinus rhythm (could be tunctional tachycardia). Hard to see P waves

125 Sinus rhythm (could be junctional tachycardia). Hard to see P waves

Wandering atrial pacemaker

126 Wandering atrial pacemaker

Sinus tachycardia - heart rate greater than 100

127 Sinus tachycardia — heart rate greater than 100

Normal sinus rhythm

128 Normal sinus rhythm

Sinus rhythm changing into SVT

129 Sinus rhythm changing into SVT

Sinus rhythm with a PAC

130 Sinus rhythm with a PAC

Complete heart block (3rd degree heart block) with ventricular (wide) response

131 Complete heart block (3rd degree heart block) with ventricular (wide) response

Second degree AV block type II 2:1 block

132 Second degree AV block type II 2:1 block

Complete heart block (3rd degree)

133 Complete heart block (3rd degree)

Sinus tachycardia - heart rate greater than 100

134 Sinus tachycardia — heart rate greater than 100

Sinus tachycardia - possibility of atrial flutter with 2:1 block

135 Sinus tachycardia — possibility of atrial flutter with 2:1 block

Sinus rhythm with PACs

136 Sinus rhythm with PACs

Sinus rhythm

137 Sinus rhythm

Sinus rhythm with ventricular bigeminy

138 Sinus rhythm with ventricular bigeminy

Atrial flutter with 4:1 block (sawtooth baseline)

139 Atrial flutter with 4:1 block (sawtooth baseline)

Sinus rhythm with frequent PVCs and a ventricular couplet

140 Sinus rhythm with frequent PVCs and a ventricular couplet

Supraventricular tachycardia (SVT) narrow complex tachycardia

141 Supraventricular tachycardia (SVT) narrow complex tachycardia

Sinus rhythm with multifocal PVCs (PVCs look different from each other)

142 Sinus rhythm with multifocal PVCs (PVCs look different from each other)

Sinus bradycardia (HR 40)

143 Sinus bradycardia (HR 40)

Atrial Fibrillation (irregular rhythm without discernible P waves)

144 Atrial fibrillation (irregular rhythm without discernible P waves)

Sinus Rhythm with Premature Atrial Contractions (PACs)

145 Sinus rhythm with premature atrial contractions (PACs)

Sinus rhythm with frequent PACs

146 Sinus rhythm with frequent PACs

Atrial fibrillation (irregular rhythm without discernible P waves)

147 Atrial fibrillation (irregular rhythm without discernible P waves)

Atrial flutter with 4:1 block (sawtooth baseline)

148 Atrial flutter with 4:1 block (sawtooth baseline)

Sinus rhythm with a sinus pause

149 Sinus rhythm with a sinus pause

Sinus bradycardia

150 Sinus bradycardia

Sinus rhythm with PAC (3rd beat)

151 Sinus rhythm with PAC (3rd beat)

Atrial fibrillation (irregular rhythm without discernible P waves)

152 Atrial fibrillation (irregular rhythm without discernible P waves)

Sinus rhythm with premature atrial contraction

153 Sinus rhythm with premature atrial contraction

Sinus rhythm (note the ST elevation)

154 Sinus rhythm (note the ST elevation)

Sinus rhythm with PAC (2nd beat)

155 Sinus rhythm with PAC (2nd beat)

Sinus tachycardia

156 Sinus tachycardia

Supraventricular tachycardia (SVT) narrow complex tachycardia

157 Supraventricular tachycardia (SVT) narrow complex tachycardia

Atrial flutter with variable block

158 Atrial flutter with variable block

Sinus rhythm with 1st degree AV block (PR 0.22 seconds) and PACs

159 Sinus rhythm with 1st degree AV block (PR 0.22 seconds) and PACs

Ventricular tachycardia

160 Ventricular tachycardia

Atrial fibrillation

161 Atrial fibrillation

Complete heart block (3rd degree) with ventricular (wide) response

162 Complete heart block (3rd degree) with ventricular (wide) response

Second degree AV block mobitz type II

163 Second degree AV block mobitz type II

Sinus rhythm with 1st degree AV block and a pacer with failure to sense

164 Sinus rhythm with 1st degree AV block and a pacer with failure to sense

Sinus rhythm with a run of PAT (would accept run of SVT)

165 Sinus rhythm with a run of PAT (would accept run of SVT)

Ventricular tachycardia (polymorphic VT or torsades de pointes)

166 Ventricular tachycardia (polymorphic VT or torsades de pointes)

Sinus rhythm with ventricular bigeminy (PVC every other beat)

167 Sinus rhythm with ventricular bigeminy (PVC every other beat)

Sinus rhythm with vetricular quadrigeminy (PVC every 4th beat)

168 Sinus rhythm with vetricular quadrigeminy (PVC every 4th beat)

Sinus arrhythmia

169 Sinus arrhythmia

Sinus bradycardia

170 Sinus bradycardia

Sinus tachycardia with 1st degree AV block (0.24 seconds PR)

171 Sinus tachycardia with 1st degree AV block (0.24 seconds PR)

Supraventricular tachycardia (SVT) narrow complex tachycardia

172 Supraventricular tachycardia (SVT) narrow complex tachycardia

Ventricular fibrillation

173 Ventricular fibrillation

Ventricular tachycardia

174 Ventricular tachycardia

Asystole

175 Asystole

Ventricular fibrillation

176 Ventricular fibrillation

Ventricular tachycardia

177 Ventricular tachycardia

Judith Haluka

Written by Judith Haluka

Judith has helped write or review several medical publications for us. Everything that she works on will clearly include Judith’s name.

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