Diagnosis (from the Greek words dia = by and gnosis = knowledge) is the process of identifying a disease by its signs, symptoms and results of various diagnostic procedures. The conclusion reached through that process is also called a diagnosis.
The term "diagnostic criteria" designates the combination of symptoms which allows the doctor to ascertain the diagnosis of the respective disease.
Typically, someone with abnormal symptoms will consult a physician, who will then obtain a history of their present illness and examine them for signs of disease. The physician will formulate a hypothesis of likely diagnoses and in many cases will obtain further testing to confirm or clarify the diagnosis before proceeding to render treatment.
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Neonatal Cystic Fibrosis Screening - Information sheets on testing for immunoreactive trypsinogen to diagnose CF in infants. Test description, preparation, risks, expectations, special considerations, normal and abnormal values, and evaluation of results.
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Sweat Test - A short fact sheet for parents. Explains how this test is performed and how it's used to diagnose cystic fibrosis.
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