In general,<unk>  (plural<unk>  has two distinct dictionary definitions. The first definition is "the recognition of a disease or condition by its outward signs and symptoms", while the second definition is "the analysis of the underlying physiological/biochemical cause(s) of a disease or condition".<unk>  covers a broad spectrum, or spectra, of testing in some form of analysis; collective reasoning using such tests is called the method of diagnostics, leading then to the results of those tests by ideal (ethics) would then be considered a<unk> , but not necessarily the correct one.
In medicine,<unk>  or diagnostics is the process of identifying a medical condition or disease by its signs, symptoms, and from the results of various diagnostic procedures. The conclusion reached through this process is called a<unk> . The term "diagnostic criteria" designates the combination of symptoms which allows the doctor to ascertain the<unk>  of the respective disease.
Typically, someone with abnormal symptoms will consult a physician, who will then obtain a history of the patient's illness and examine him for signs of disease. The physician will formulate a hypothesis of likely<unk>  and in many cases will obtain further testing to confirm or clarify the<unk>  before providing treatment.
Medical tests commonly performed are measuring blood pressure, checking the pulse rate, listening to the heart with a stethoscope, urine tests, fecal tests, saliva tests, blood tests, medical imaging, electrocardiogram, hydrogen breath test and occasionally biopsy.
The word<unk>  is derived from the Greek words dia which means "by", and gnosis which means "knowledge". The verb is diagnose and a person<unk> g could be considered a diagnostician.
Diagnosis
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Differential diagnosis
Presentation 
Residency 
Dosing
Treatment Planning
Measurement