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Learn the meaning and usage of various abbreviations in medical prescriptions, including Latin, Greek, and English terms. QD means "quaque die", meaning once daily, and is often used with a number to indicate the frequency of dosage.
Learn the meaning and origin of common medical abbreviations in Latin, such as a.m. (morning), p.o. (by mouth), and q.d. (every day). See the full list of abbreviations and their usage in prescriptions and other contexts.
Learn the meaning of various abbreviations used by optometrists to denote clinical conditions, examination techniques and findings, and treatment methods. The list covers terms related to eye examination, visual acuity, visual field, and clinical conditions.
A drug overdose is the ingestion or application of a drug or other substance in quantities much greater than are recommended, which can result in a toxic state or death. Learn about the types, signs, causes, diagnosis and prevention of drug overdoses, as well as the role of naloxone and the opioid crisis.
Learn how to interpret and write an eyeglass prescription that includes sphere, cylinder and axis components. Sphere and cylinder specify the power of the lenses, and axis defines the orientation of the cylinder relative to horizontal and vertical.
A medical prescription is a formal communication from a healthcare professional to a pharmacist, authorizing them to dispense a specific drug for a specific patient. The symbol ℞ or Rx comes from the Latin word recipere, meaning 'take'.
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 months x/40: x ...
OD is a medical abbreviation that can mean once daily, right eye, or overdose. It is also used in Latin to indicate the right eye. Learn more about the origin, usage, and examples of OD in medicine.