| diagnostic techniques, cardiovascular | Methods and procedures for the diagnosis of diseases or dysfunction of the cardiovascular system or its organs or demonstration of their physiological processes. (12 Dec 1998) |
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| diagnostic techniques, digestive system | Methods and procedures for the diagnosis of diseases or dysfunction of the digestive system or its organs or demonstration of their physiological processes. (12 Dec 1998) |
| diagnostic techniques, endocrine | Methods and procedures for the diagnosis of diseases or dysfunction of the endocrine glands or demonstration of their physiological processes. (12 Dec 1998) |
| diagnostic techniques, neurological | Methods and procedures for the diagnosis of diseases of the nervous system, central and peripheral, or demonstration of neurologic function or dysfunction. (12 Dec 1998) |
| diagnostic techniques, obstetrical and gynecological | Methods and procedures for the diagnosis of conditions related to pregnancy, labour, and the puerperium and of diseases of the female genitalia. It includes also demonstration of genital and pregnancy physiology. (12 Dec 1998) |
| diagnostic techniques, ophthalmological | Methods and procedures for the diagnosis of diseases of the eye or of vision disorders. (12 Dec 1998) |
| diagnostic techniques, otological | Methods and procedures for the diagnosis of diseases of the ear or of hearing disorders or demonstration of hearing acuity or loss. (12 Dec 1998) |
| diagnostic techniques, radioisotope | Any diagnostic evaluation using radioactive (unstable) isotopes. This diagnosis includes many nuclear medicine procedures as well as radioimmunoassay tests. (12 Dec 1998) |
| diagnostic techniques, respiratory system | Methods and procedures for the diagnosis of diseases of the respiratory tract or its organs. It includes respiratory function tests. (12 Dec 1998) |
| diagnostic techniques, surgical | Methods and procedures for the diagnosis of disease or dysfunction by examination of the pathological site or operative field during surgical intervention. (12 Dec 1998) |
| diagnostic techniques, urological | Methods and procedures for the diagnosis of diseases or dysfunction of the urinary tract or its organs or demonstration of its physiological processes. (12 Dec 1998) |
| diagnostic tests, routine | Diagnostic procedures, such as laboratory tests and X-rays, routinely performed on all individuals or specified categories of individuals in a specified situation, e.g., patients being admitted to the hospital. These include routine tests administered to neonates. (12 Dec 1998) |
| diagnostic ultrasound | The use of ultrasound to obtain images for medical diagnostic purposes, employing frequencies ranging from 1.6 to about 10 MHz. (05 Mar 2000) |
| abortifacient agents | Chemical substances that interrupt pregnancy after implantation. (12 Dec 1998) |
| abortifacient agents, non-steroidal | Non-steroidal chemical compounds with abortifacient activity. (12 Dec 1998) |