Health Tip: What Could Trigger Heart Palpitations?

(HealthDay News) -- Heart palpitations are irregular heartbeats that should be observed by a doctor without delay.

The National Heart Lung and Blood Institute says triggers may include:

• Feeling strong emotions.
• Engaging in strenuous activity.
• Taking certain medications, including decongestants or diet pills.
• Taking illegal drugs or consuming nicotine, caffeine or alcohol.
• Having certain medical conditions, including anemia or thyroid disease.