Heart Attacks, Costochondritis & Essential Oils. . . Oh My! ~ This article will overview two conditions dealing with chest pains: costochondritis and heart attacks.The following shines light into symptoms, possible causes and essential oils to help. Thyme, Oregano, Tea Tree, Peppermint, Grapefruit, Myrrh. For Heart - peppermint, Helicyrsum, Ylang Ylang, marjoram, Cypress, Orange, lavender, ginger, lemon, rosemary, thyme