DIAGNOSIS

(Lat.), n. f. Di(di2)-a2g(a'g)-no'si2s. Gen., diagnos'eo.i (-is). Gr., Stdyviao-is (from 6td, apart, and yiyv<a<rictiv, to know). Fr., diagnostic. Ger., Diagnose. It., diagnosi. Sp., d. 1. The art or proce of distinguishing between different things (in medicine, diseases; in natural history, genera, species, etc.), of recognizing in a given instance with what particular thing or form one is dealing. 2. A short account of distinctive characteristics. [B, 19 (a. 24).] Anatomical d. Fr., diagnostic an atom i que. Ger., an a to misc he Diagnose. 1. A d. based on a knowledge not only of symptoms or phenomena, but also of definite anatomical alterations upon which the phenomena depend. [D, 3.] 2. A postmortem d. [L.] Clinical d. Fr., diagnostic clinique. Ger., klinische Diagnose. Of Ro , a d. based upon symptoms manifested during life, irrespective of the morbid changes which underlie them. [D. 35.] D. by exclusion. Fr., diagnostic par exclusion. Ger., Exclusions diagnose. A d. reached by a deductive proce , all the affections which present salient points of similarity with the one to be diagnostic a ted being reviewed in turn, and each succe ively discarded as one or more of its e ential features are mi ed in the given case, until but one po ibility remains, which is accepted as the true one. [D.] Differential d. Fr., diagnostic differentiel. Ger., Differential diagnose. See D. (1st def.). Pathological d. Fr., diagnostic pathologique. Ger., pathologische Diagnose. Of Ro , a d. of the nature of a lesion without regard to its situation. [D, 35.] Physical d. Fr., diagnostic physique. Ger.. Phi/sicaldiagnose. D. by means of physical (objective) signs, irrespective of subjective symptoms, as by palpation, auscultation, etc. Presumptive d. Fr., diagnostic presomptif. Ger., Presumptivdiagnose. A d. not regarded as certain. Retrospective d. Fr., diagnostic retrospect if. Ger., Retrospectivdiagnose. A d. of some antecedent disease or injury the nature of which can be deduced only from the history given and from the persistent " effects. [B. F. West brook, N. Y. Med. Jour.," June 9, 1888, p. 617.] Symptomatic d. Fr., diagnostic syrnplomatique. Ger., symptom at is che Diagnose. A d. which consists simply in the determination of the most striking symptoms. fD, 3.] Topographical d. Fr., diagnostic topograph i que. Ger., topograph is che Diagnose. Of Ro , a d. of the seat of a lesion. [D, 35.] [s. 548]