Heart failure is a condition that occurs when your heart can't pump enough blood for your body's needs. Learn about the symptoms, causes, risk factors, and treatments for heart failure.| NHLBI, NIH
An arrhythmia is a problem with the rate or rhythm of your heartbeat. Your heart may beat too fast, too slowly, or with an irregular rhythm. Learn about the causes, symptoms, and treatments for arrhythmia.| NHLBI, NIH
Learn more about the treatments for anemia which depend on its cause and how serious it is.| NHLBI, NIH
Learn more about the general symptoms of most types of anemia.| NHLBI, NIH
Cardiomyopathy refers to problems with your heart muscle that make it harder for your heart to pump blood. There are many types and causes of cardiomyopathy, and it can affect people of any sex, age, or race.| NHLBI, NIH
Sickle cell disease is an inherited blood disorder that affects hemoglobin, the protein that carries oxygen through the body. Misshapen red blood cells can block blood flow causing lifelong health problems. The only cure is a blood and bone marrow transplant, but treatments are available to manage the condition.| NHLBI, NIH