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A patient shows up at the clinic with symptoms including high blood pressure, dizziness, a red face, discomfort in the fingers and toes, headache, and trouble focusing. An increase in erythrocytes might be seen on a blood smear. The nurse predicts a Polycythemia vera diagnosis based on these data.
diagnosis is the process of figuring out the characteristics of a disease or disorder and separating it from other potential conditions. The word's root word is gnosis, which is Greek for knowledge.
Choosing one illness over another during the diagnostic procedure allows medical practitioners to determine which condition is most likely to be the source of a patient's symptoms. Making an accurate diagnosis is most challenging when symptoms first begin because they are frequently less distinct and definite than symptoms that appear as the disease advances. A precise diagnosis is dependent on the timing and order of the symptoms, past medical history, risk factors for particular diseases, and recent exposure to the disease.
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