Q: A friend forwarded an email to me about what to do if you're alone and you think you're having a heart attack. It says that coughing hard will squeeze the heart and keep the blood flowing until you can get help. It also says that women may experience strange symptoms, like a pain in the jaw, instead of chest pain. Is any of this true? Answer provided by Suzanne M. Hall, M.D., FACC, medical director of Providence Women and Heart Disease Program at Providence Heart and Vascular Institute, and cardiologist with Columbia Cardiology Associates.