Doctors have successfully diagnosed and treated a rare case of Myasthenia Gravis, an autoimmune neuromuscular disorder, in a 64-year-old patient who developed unexpected health complications after undergoing emergency heart bypass surgery.The patient was brought to the emergency department with severe cough, vomiting, breathlessness, and chest pain. He had undergone a heart stenting procedure three months earlier but continued to experience recurring symptoms that were affecting his daily life.