I reassured him and sent him to get another blood specimen drawn without a tourniquet. Why? Because I suspected that the tourniquet had been left in place so long that it caused the red blood cells, ...

A red blood cell (RBC) count measures the number of red blood cells in a sample of blood. It is part of a battery of tests called a complete blood count (CBC) that measures the different types and ...

Your blood serves numerous roles in maintaining your health. To carry out these functions, blood contains a multitude of components, including red blood cells that transport oxygen, nutrients, and ...

Why “normal range” doesn’t always mean healthy on your lab results Your doctor says everything looks fine, but you still feel ...

What Is a RDW Blood Test? An RDW blood test – also known as a red blood cell distribution width blood test – is a measure of the difference in your red blood cells’ size and volume. RDW is one part of ...

A complete blood count (CBC) is a common test to diagnose anemia by measuring red blood cell count, hemoglobin, and hematocrit levels. Iron deficiency is a common cause of anemia, and doctors may ...