Sit or lie down and rest quietly
Take slow, deep breaths
Drink water if you may be dehydrated
Avoid caffeine, nicotine, and other stimulants
Cool down if you are overheated
Loosen tight clothing
Try gentle relaxation or meditation
Reduce physical activity until your pulse settles
Get enough sleep
Manage stress regularly
Limit alcohol
Eat regular, balanced meals
Follow your doctor’s advice if you have a heart condition
Seek urgent medical help if you have chest pain, shortness of breath, fainting, or a very fast pulse that does not improve