IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-4-48447 Original Research Paper Elevated Levels Of Interleukin - 6 In Cardiac Failure And Its Correlation With The Severity Of Left Ventricular Dysfunction And Prognosis Of Disease Koduru Meena Kumari Dr. Dr. Simhadri Vidya Sagar Dr. April 2023 12 4 01 02