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Signs and symptoms are also applied to physiological states outside the context of disease, as for example when referring to the signs and symptoms of pregnancy, or the symptoms of dehydration. Sometimes a disease may be present without showing any signs or symptoms when it is known as being asymptomatic . [ 13 ]
A medical triad is a group of three signs or symptoms, the result of injury to three organs, which characterise a specific medical condition. The appearance of all three signs conjoined together in another patient, points to that the patient has the same medical condition, or diagnosis.
Providing symptoms allows the computer to identify the problem and diagnose the user to the best of its ability. [24] [5] Health screening begins by identifying the part of the body where the symptoms are located; the computer cross-references a database for the corresponding disease and presents a diagnosis. [25] Overdiagnosis
In medicine, a presentation is the appearance in a patient of illness or disease—or signs or symptoms thereof—before a medical professional. In practice, one usually speaks of a patient as presenting with this or that.
Pathognomonic (rare synonym pathognomic [1]) is a term, often used in medicine, that means "characteristic for a particular disease".A pathognomonic sign is a particular sign whose presence means that a particular disease is present beyond any doubt.
DXplain is a Clinical decision support system (CDSS) available through the World Wide Web that assists clinicians by generating stratified diagnoses based on user input of patient signs and symptoms, laboratory results, and other clinical findings. [1]
The survey is composed of physical examinations by the doctor's senses and simple medical devices, which build clinical findings. If necessary, the results are proofed by further diagnostic tests , which may include procedures using medical apparatus.
A genetic or allelic heterogeneous condition is one where the same disease or condition can be caused, or contributed to, by varying different genes or alleles. In clinical trials and statistics the concepts of homogeneous and heterogeneous populations is important. The same applies for epidemiology [citation needed]