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

Causes

Palpitations can be caused by any number of factors or triggers. These include:

• Exercise
  
• Anxiety
  
• Stress
  
• Fever
  
• Caffeine, nicotine, cocaine or diet pills
  
• Hyperventilation
  
• Not enough oxygen in your blood
  
• Medications for asthma, thyroid disease or heart disease
  
• Hormone changes