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Abbreviation Meaning R: respiration, (right) RA: refractory anemia rheumatoid arthritis right atrium room air RAD: reflex anal dilatation right axis deviation reactive airway disease radiation absorbed dose reactive attachment disorder: Rad hys: radical hysterectomy: RAE: right atrial enlargement RAI: radioactive iodine: RAIU: thyroid reactive ...
It is common to see RAD incorrectly used as a synonym for asthma. The term reactive airway disease originally began to appear in medical literature in the 1980s in reference to asthmatic patients with hyperactive airways, which is a common feature of asthma.
RAD Reactive airway disease: RIND Reversible ischemic neurologic deficit: RLF Retrolental fibroplasia: RLS Restless legs syndrome: RMDs Repetitive motion disorders: ROP Retinopathy of prematurity: RS Reye's syndrome: RSD Reflex sympathetic dystrophy: RTI Respiratory tract infection: RVF Rift Valley fever
The main discussion of these abbreviations in the context of drug prescriptions and other medical prescriptions is at List of abbreviations used in medical prescriptions. Some of these abbreviations are best not used, as marked and explained here.
AMA style avoids use of this abbreviation (spell out "twice a day") bis ind. bis indies: twice a day bis in 7 d. bis in septem diebus: twice a week BM bowel movement: commonly used in the United Kingdom when discussing blood sugar. From BM Stix – the measurement sticks used for calculating blood sugar; BM being an abbreviation of Boehringer ...
Pronunciation follows convention outside the medical field, in which acronyms are generally pronounced as if they were a word (JAMA, SIDS), initialisms are generally pronounced as individual letters (DNA, SSRI), and abbreviations generally use the expansion (soln. = "solution", sup. = "superior").
Second, medical roots generally go together according to language, i.e., Greek prefixes occur with Greek suffixes and Latin prefixes with Latin suffixes. Although international scientific vocabulary is not stringent about segregating combining forms of different languages, it is advisable when coining new words not to mix different lingual roots.
A dose of 100 to 200 rad delivered to the entire body in less than a day may cause acute radiation syndrome (ARS), but is usually not fatal. Doses of 200 to 1,000 rad delivered in a few hours will cause serious illness, with poor prognosis at the upper end of the range. Whole body doses of more than 1,000 rad are almost invariably fatal. [3]