Do you have a question that is not a medical emergency*? We invite you to access Call Me Now, a service from Cleveland Clinic Heart and Vascular Institute. Fill out the form below and you will receive a personal call from one of our Heart & Vascular Institute nurses. Or if you prefer, access our Chat Online with a Nurse service or Contact Us. Our nurses are available Monday-Friday, 8:30 a.m.-4:00 p.m. EST IF THIS IS A MEDICAL EMERGENCY, PLEASE CALL EMERGENCY PERSONNEL (911) TO GET PROMPT MEDICAL ATTENTION