Symptom

Definition and stakes

S. P. Sackett,  Mother, Nurse and Infant

“ SYMPTOMS OF DISEASE, WITH INSTRUCTION TO NURSES. Symptoms are the signs by which we know that disease is present. Every circumstance happening in the body of the sick person capable of being perceived by himself or others, which can be made to assist our judgment concerning the seat or nature of the disease, its probable course and termination or its proper treatment, is a sign or symptom. ”
Source: Gutenberg

Portrait of Hermann Ebbinghaus Hermann Ebbinghaus,  Psychology: an elementary text-book

“ Of several physicians, all but one are mistaken in the diagnosis of a case. Why do they differ? Every disease is characterized by a multitude of{150} symptoms. Some of them are obvious, so that no one can fail to notice them: the complaints of the patient. Others are more hidden, but no less important. The physician must search for them. Each symptom, for example, fever, lack of appetite, dizziness, megalomania, may appear in very different diseases. A definite group of symptoms in definite degrees of intensity is characteristic of a particular disease. ”
Source: Gutenberg

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