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In radiotherapy, a percentage depth dose curve (PDD) (sometimes percent depth dose curve) relates the absorbed dose deposited by a radiation beam into a medium as it varies with depth along the axis of the beam. The dose values are divided by the maximum dose, referred to as d max, yielding a
Prescribed daily dose (PDD) is the usual dose of medication calculated by looking at a group of prescriptions for the medication in question. [1] At times the PDD needs to be related to the condition being treated .
PDD Pervasive developmental disorder: PDD-NOS Pervasive developmental disorder, not otherwise specified: PDD/NOS Pervasive developmental disorder, not otherwise specified: PDS Pokkuri Death Syndrome PE Pulmonary embolism: PKAN Panthothenate kinase-associated neurodegeneration: PLMD Periodic limb movement disorder: PLS Primary lateral sclerosis: PMD
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.
Many use the term PDD as a short way of saying PDD-NOS. [4] Others use the general category because the term PDD actually refers to a category of disorders and is not a diagnostic label. [4] PDD is not itself a diagnosis, while PDD-NOS is a diagnosis. To further complicate the issue, PDD-NOS can also be referred to as "atypical personality ...
Past medical history (see also medical history) PSI: Pneumonia severity index: PSP: phenylsulphtalein: PSS: progressive systemic sclerosis (see scleroderma) PSVT: paroxysmal supraventricular tachycardia: PT: prothrombin time physical therapy (physiotherapy) Pt. patient (from Latin patiens, meaning "one who endures" or "one who suffers") PTA
This is a list of roots, suffixes, and prefixes used in medical terminology, their meanings, and their etymologies. Most of them are combining forms in Neo-Latin and hence international scientific vocabulary. There are a few general rules about how they combine.
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).