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The major shortcoming of most patient portals is their linkage to a single health organization. If a patient uses more than one organization for healthcare, the patient normally needs to log on to each organization's portal to access information. This results in a fragmented view of individual patient data.
A personal health record (PHR) is a health record where health data and other information related to the care of a patient is maintained by the patient. [1] This stands in contrast to the more widely used electronic medical record, which is operated by institutions (such as hospitals) and contains data entered by clinicians (such as billing data) to support insurance claims.
Providing patients with access to their health records including medical histories and test results via an electronic health record is a legal right in some parts of the world. [20] There is some evidence that patient access may help outcomes.
RDW-SD is calculated as the width (in fL) of the RBC size distribution histogram at the 20% height level. This parameter is, therefore, not influenced by the average RBC size (mean corpuscular volume, MCV). [7] RDW-CV (expressed in %) is calculated with the following formula: RDW-CV = (1 standard deviation of RBC volume ÷ MCV) × 100%. [8]
Reference ranges (reference intervals) for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples. Reference ranges for blood tests are studied within the field of clinical chemistry (also known as "clinical biochemistry", "chemical pathology" or "pure blood chemistry"), the ...
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A blood test is a laboratory analysis performed on a blood sample that is usually extracted from a vein in the arm using a hypodermic needle, or via fingerprick. Multiple tests for specific blood components, such as a glucose test or a cholesterol test , are often grouped together into one test panel called a blood panel or blood work .
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