THE HOSPITAL FOR SICK CHILDREN IMAGE: SECTIONS OF A NORMAL HEART (LEFT) AND A HEART IN WHICH ENERGY PRODUCTION DEFICIENCY CAUSED DILATION OF THE CHAMBERS (RIGHT), WHICH IS A SIGN OF HEART FAILURE. CREDIT: PAUL DELGADO-OLGUIN/THE HOSPITAL FOR SICK CHILDREN (SICKKIDS) Heart failure is often identified only when the heart has already deteriorated. This is...
