Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs PalpitationsUpdated: 2018-05-26Self-careAvoid caffeine, nicotine, cold medicines with pseudoephedrine, energy drinks, and stimulants such as cocaine or amphetamine. Reduce stress, get regular sleep, and exercise. When to seek immediate medical careSee a doctor immediately if: Dizziness or fainting Chest pain or pressure Shortness of breath Heart rate under 45 beats per minute or over 120 at rest When to make a doctor's appointmentMake an appointment to see a doctor if: Symptom is new Induced by exercise Family history of sudden death or fainting © 1998-2022 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use