<qa>  What is the most profound case of a patient who died from cardiac failure secondary to?A number of cases of suspected toxicity to circulating cobalt and chromium from MOM hip implants, including cardiac toxicity, have been reported recently. The most profound case involves a patient who died from cardiac failure secondary to cardiomyopathy and cobalt deposition within the cardiac tissues. A recent cross sectional health screen and isolated case reports, suggest that raised metal ion levels have the potential to cause cardiomyopathy and cardiac failure. Such cases have raised public anxiety in the process. 