Abnormal ECGs

• • Atrial flutter

  • Rapid contraction of the atria

  • Atria contract 3 times for every ventricular contraction

  
• • Ventricular tachycardia

  • Ventricles beat rapidly and independently of the atria

  
• • Ventricular fibrillation

  • Unco-ordinated electrical activity

  • Pumping cannot take place

  • Fatal if not corrected

  • Defibrillation