Search results
Results from the WOW.Com Content Network
ISO 14644 Standards were first formed from the US Federal Standard 209E Airborne Particulate Cleanliness Classes in Cleanrooms and Clean Zones. The need for a single standard for cleanroom classification and testing was long felt. After ANSI and IEST petitioned to ISO for new standards, the first document of ISO 14644 was published in 1999, ISO ...
A cleanroom or clean room is an engineered space that maintains a very low concentration of airborne particulates. It is well isolated, well controlled from contamination , and actively cleansed. Such rooms are commonly needed for scientific research and in industrial production for all nanoscale processes, such as semiconductor manufacturing.
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.
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").
This is a list of abbreviations used in medical prescriptions, including hospital orders (the patient-directed part of which is referred to as sig codes). This list does not include abbreviations for pharmaceuticals or drug name suffixes such as CD, CR, ER, XT (See Time release technology § List of abbreviations for those).
Abbreviation Meaning Δ: diagnosis; change: ΔΔ: differential diagnosis (the list of possible diagnoses, and the effort to narrow that list) +ve: positive (as in the result of a test) # fracture: #NOF: fracture to the neck of the femur ℞ (R with crossed tail) prescription: Ψ: psychiatry, psychosis: Σ: sigmoidoscopy: x/12: x number of ...
Capillary blood glucose (British medical colloquialism originating from Boehringer Mannheim, a manufacturer of early glucose meters, today a part of Boehringer Ingelheim.) BMBx: Bone marrow biopsy: BMC: bone mineral content: BMD: bone mineral density (also termed bone mass measurement) BMI: body mass index: BMP: basic metabolic panel: BMR ...
cubic centimeter (use ml instead—see the list of abbreviations used in prescriptions) chief complaint cardiac catheter carbon copy closing capacity: CCA: clear cell adenocarcinoma: CCB: calcium channel blocker: CCCU: critical coronary care unit: CCE C/C/E: clubbing, cyanosis, and edema (general signs of cardiovascular disease) CCG: Clinical ...