Can bloodstream MRSA cause coronary artery disease or congestive heart failure?

No. Sepsis will not cause coronary artery disease. Embolism of infected clot to the coronary artery can cause a heart attack leading to congestive heart failure.
Generally no.. Coronary artery disease is narrowing of the feeding vessels to the heart, with risk factors that include smoking, diabetes, obesity, hypertension, and high-fat diet. Sepsis caused by MRSA in the bloodstream is a serious infection that could lead to the failure of multiple organ systems by precipitating septic shock. There are situations where sepsis could provoke a heart attack and lead to chf.