Electrocardiograms

• Tachycardia:

  When the heart beats too fast it is tachycardic. An individual with a resting heart rate of over 100 bpm is said to have tachycardia.
• Bradycardia:

  When the heart beats too slow it is bradycardic. An individual with a resting heart rate below 60 bpm is said to have bradycardia. A lot of fit individuals or athletes tend to have lower heart rates and it is usually not dangerous.
• Ectopic heartbeat:

  This condition is caused by an early heartbeat followed by a pause. It is common in the population and usually requires no treatment unless very severe.
• Fibrillation:

  An irregular heartbeat will disrupt the rhythm of the heart. Severe cases of fibrillation can be very dangerous, even fatal.
• Atrial Fibrillation

  
• Bradycardia

  
• Ectopic Heart Beat

  
• Normal ECG

  
• Tachycardia