Red cell distribution width (RDW) laboratory test is a part of a standard complete blood count (CBC), and it is used along with other RBC indices, especially mean corpuscular volume (MCV) to help determine the causes of anemia.ed cell distribution width (RDW) is a parameter that measures variation in red blood cell size or red blood cell volume.
Heart failure puts very significant health and financial burdens on patients, their families and society as a whole. According to the American Heart Association, in 2008 the estimated total cost of heart failure in the United States will be more than $35 billion. On the next page, we'll learn about the increased incidence of heart failure and why it might be happening.
Heart failure is a condition caused by the heart failing to pump enough blood around the body at the right pressure. It usually occurs because the heart muscle has become too weak or stiff to work properly. If you have heart failure, it does not mean your heart is about to stop working.