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