DeOxygenated blood come to to ur lil heart right chamber from superior and inferior vena cava then it goes to right n left lung to be oxygenated and it cames back to ur left chamber heart to be pumped through whole body and deliver oxygen and other essential nutrient for all ur organ so this all processe need ur heart muscle help if it is dont work properly there is no oxygen supply to cell and tissue. No oxygen mean no energy production, no reproduce ,no grow...so this is my explanation to give u a clue about what happened to u Treatment: at this time cardiomyopathy treatment don't cure the condition however they can help u manage ur symptom and slow down the disease progression ...generally keep in touch with ur health care provider and i hope u will be okay soon