The term "heart problems" refers to any issue or condition that affects the heart, its functioning, and overall health. This can include a wide range of conditions such as coronary artery disease, congenital heart defects, arrhythmias (irregular heartbeats), heart failure, valvular heart diseases, cardiomyopathies (disease of the heart muscle) and many others. These issues can be caused by various factors such as genetics, lifestyle choices, or other underlying health conditions. When someone refers to "heart problems," they are generally referring to any medical issue that affects the heart's ability to function properly.