pertinent negative


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pertinent negative

An element of the patient's history that aids diagnosis because the patient denies that it is present.
See also: pertinent
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Strategies such as including pertinent negatives in a report and using generic diagnoses where appropriate are discussed.
2) Pertinent negative findings include negative findings for bacterial cultures, viral cultures, special stains for fungi and bacteria and negative PCR results for 2 recognized causes of encephalitis in New Hampshire (West Nile and Eastern equine encephalitis viruses).
Pertinent negatives were normal jugular venous pressure, normal lung sounds and cardiac regular rhythm.
Mention only one or two pertinent negatives in addressing a specific problem.