In complete heartblock the following chanes are observed
- Pulse rate— 36 to 40 per minute and is called as bradycardia
- Rhythm—Regular.
- Volume—High.
- Condition of the arterial wall-may be thickened (in patients with advanced age),
- No radio-radial nor any radio-femoral delay.
- Character of the pulse may be water-hammer character.
- All the peripheral pulses are palpable.
- Fixed pulse is seen that is unaltered after exercise ,pyrexia or injection of atropine
- In CHB carotid artery may show carotid dance at the rate of 36-40 per minute, and internal jugular vein showing atrial pulsation at a rate of 72 per minute with cannon waves appearing from time to time.