Effect of Intravenous Immunglobulin (IVIG) After Myocardial Infarction

The instigators hypothesize that IVIG, given in the acute phase following MI in patients at risk for developing HF, will improve cardiac performance, and by attenuating cardiac remodeling in this phase, such therapy will prevent the development of chronic HF resulting in long term beneficial effect also after the therapy has been stopped.