How would a problem associated with the walls of the heart affect the systemic circulation?

A problem with the walls of the heart, such as cardiomyopathy or a myocardial infarction, can lead to impaired contraction and relaxation of the heart muscle. This dysfunction can reduce the heart's ability to pump blood effectively into the systemic circulation, resulting in decreased blood flow to organs and tissues. Consequently, this can cause symptoms like fatigue, shortness of breath, and fluid retention, ultimately compromising overall cardiovascular health. Additionally, reduced cardiac output can lead to compensatory mechanisms, such as increased heart rate and vascular resistance, which may further strain the heart.