Heart palpitations can have various causes, ranging in severity from 'minor' to 'very serious'. Finding the true cause means ruling out or confirming each possibility – in other words, diagnosis.
Diagnosis is usually a complex process due to the sheer number of possible causes and related symptoms. In order to diagnose heart palpitations, we could:
Does your heart sometimes race or palpitate such that you can feel it beating?
Possible responses:→ No / don't know
→ Occasionally / moderately
→ Often / severely
Caffeine intoxication can cause a rapid or 'pounding' heart rate.
Heart palpitations and dysrhythmias can be caused by chemical exposures in sensitized individuals.