If a picture is worth a thousand words, how much is a graph worth? For doctors trying to determine whether a patient's blood pressure is within normal range, the answer may depend on the type of graph ...

If a picture is worth a thousand words, how much is a graph worth? For doctors trying to determine whether a patient's blood ...

In an ischaemic stroke, the blood flow to the brain is decreased by blockage of a blood vessel. If this is not treated quickly, the brain tissue becomes injured, leading to symptoms, such as changes ...