[Skip to Content]
Access to paid content on this site is currently suspended due to excessive activity being detected from your IP address 54.161.178.52. Please contact the publisher to request reinstatement.
[Skip to Content Landing]
Article
January 1971

Differential Diagnosis in Pediatrics: A Card-Sort System of Symptom Analysis.

Am J Dis Child. 1971;121(1):88. doi:10.1001/archpedi.1971.02100120124028

This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.

Abstract

The diagnostic system consists of (1) a set of 270 numbered cards, each corresponding to a disease symptom and each containing in arithmetical order 800 Arabic numbers; the numbers refer to disease conditions the symptoms of which are identified by a business machine punch technic; and (2) a 209 page booklet which gives the card number corresponding to the 270 symptoms and an index list of 743 disease conditions. The card, therefore, has a space for 57 additional conditions which presumably may be added in the future.

To use the system, cards are selected which relate to two or more important observations on the patient. The cards are superimposed with edges aligned so that light shines through the holes corresponding to the diseases that the child could have. The hole numbers guide the user to suggested diagnoses in the booklet index.

There is no doubt that a tremendous amount of

First Page Preview View Large
First page PDF preview
First page PDF preview
×