Palpitation of the Heart, Hot Foot Bath and Camphor for

"Place the feet in hot mustard water and give two grains camphor every two or three hours, or two drops aconite every hour. This remedy is very good and is sure to give relief."

Source: Mother's Remedies: Over One Thousand Tried and Tested Remidies from Mothers of the United States and Canada, T. J. Ritter