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First, prefixes and suffixes, most of which are derived from ancient Greek or classical Latin, have a droppable vowel, usually -o-. As a general rule, this vowel almost always acts as a joint-stem to connect two consonantal roots (e.g. arthr- + -o- + -logy = arthrology ), but generally, the -o- is dropped when connecting to a vowel-stem (e.g ...
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.
Medical terminology often uses words created using prefixes and suffixes in Latin and Ancient Greek. In medicine, their meanings, and their etymology, are informed by the language of origin. Prefixes and suffixes, primarily in Greek—but also in Latin, have a droppable -o-. Medical roots generally go together according to language: Greek ...
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).
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").
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 ...
Doss porphyria/ALA dehydratase deficiency/Plumboporphyria (the disease is known by multiple names) ALD Alcoholic liver disease: ALI Acute lung injury: ALL Acute lymphoblastic lymphoma, acute lymphocytic leukemia: ALS Amyotrophic lateral sclerosis: AMD Age-related macular degeneration: AML Acute myelogenous leukemia: AN Anorexia nervosa: AOCD
Abbreviation Meaning Nφ: Neutrophil: Na: sodium (from Latin natrium) NA: negative appendectomy NAAT: Nucleic Acid Amplification Test: NABS: normoactive bowel sounds NAC: n-acetyl cysteine NaCl sodium chloride (saline) NAD: no abnormality detected no apparent distress no appreciable disease (and many variations of the above) NAD + nicotinamide ...