• Centers and Departments
• Back to Diseases and Conditions
• Arrhythmias
• Atrial Fibrillation
• Bradycardia or Low Heart Rate
• Brugada Syndrome
• Long QT Syndrome
• Palpitations
• Sudden Death or Cardiac Arrest
• Syncope or Fainting
• Tachycardia or Fast Heart Rate
  • Signs and Symptoms
  • Risk Factors
  • Causes
  • Diagnosis
  • Treatments
  • Physicians and Services
• Wolff-Parkinson-White Syndrome

Risk Factors

Risk factors for developing tachycardia include:

• Heart disease, especially prior heart attack
  
• Coronary artery disease
  
• Cardiomyopathy (damaged heart muscle)
  
• Electrolyte abnormalities such as too much or too little calcium, sodium, magnesium or potassium in the blood
  
• Damaged heart valves
  
• High blood pressure
  
• Hyperthyroidism
  
• Sleep apnea
  
• Family history of arrhythmias or heart disease
  
• Older age