symptoms of this stage are chronic muscle and joint problems http://www.nlm.nih.gov/medlineplus/ency/article/001319.htm http://www.nlm.nih.gov/medlineplus/ency/article/001319.htm nlm.nih.gov Lyme disease http://www.nlm.nih.gov/medlineplus/ency/article/001319.htm http://www.nlm.nih.gov/medlineplus/ency/article/001319.htm http://www.nlm.nih.gov/medlineplus/ency/article/001319.htm Lyme disease Lyme disease disease MedLine Plus Lyme disease http://www.nlm.nih.gov/medlineplus/ency/article/001319.htm Heart palpitations, chest pain, and shortness of breath http://www.nlm.nih.gov/medlineplus/ency/article/001319.htm