Definition of DD in Science & Medicine. At this point, the probability of "other conditions" is so low that the physician cannot think of any test for them that could make a difference that would be substantial enough to form an indication for such a test, and the physician thereby practically regards "other conditions" as ruled out, in this case not primarily by any specific test for such other conditions that were negative, but rather by the absence of positive tests so far. Examples: NFL, The meaning of :DD is: Very happy. For example, after finding an unknown species, there can first be a listing of all potential species, followed by ruling out of one by one until, optimally, only one potential choice remains. Shiloh Jolie-Pitt is Angelina Jolie and Brad Pitt's DD. Note that this is what Research Maniacs think DD means in texting. A mnemonic to help in considering multiple possible pathological processes is VINDICATE'M: There are several methods for differential diagnostic procedures, and several variants among those. ‘DD and I went shopping then stayed in the warm and watched TV.’ ‘After dinner DD went to a friends for a sleepover.’ ‘I had made an appointment for DD to have her haircut at 10 am.’ ‘So much left to do to get DD ready for Brownies camp this weekend!’ ‘Taking DD to the doctor today, after she was ill again last nite.’ dorsal dural deficiency. daily dose

Tagesdosis {f} pharm. If two conditions get high post-test probabilities, especially if the sum of the probabilities for conditions with known likelihood ratios become higher than 100%, then the actual condition is a combination of the two. "global warming" However, this probability can be further specified by considering how much the measurement deviates from the mean in the standard reference range. Top Menu. dense deposit disease. Please look for them carefully. In comparison, the probability that a non-malignant primary hyperparathyroidism would have occurred at the same time as an unrelated non-carcinoma cancer that presents with malignant cells in the parathyroid gland is calculated by multiplying the probabilities of the two. © 1988-2021, There may be more than one meaning of DD, so check it out all meanings of DD one by one. In this case, however, tissue has already been resected, wherein a histopathologic examination can be performed that includes the possibility of parathyroid carcinoma in the examination (which may entail appropriate sample staining). Definition of DDD in the Definitions.net dictionary. Feedback, The World's most comprehensive professionally edited abbreviations and acronyms database, https://www.acronymfinder.com/Science-and-Medicine/DD.html, Data Deficient (IUCN Red List of Threatened Species category), Direct Drive (vinyl record player drive system as opposed to belt drive), Displacement Damage (nuclear interactions), Darier Disease (aka Darier-White disease), Diabetic to Diabetic (endocrinology research). Mohr-Tranebjaerg syndrome. drug design and discovery. The validity of both the initial estimation of probabilities by epidemiology and further workup by likelihood ratios are dependent of inclusion of candidate conditions that are responsible for as large part as possible of the probability of having developed the condition, and it is clinically important to include those where relatively fast initiation of therapy is most likely to result in greatest benefit. The meaning of the DD is also explained earlier. The American television medical drama House featuring Hugh Laurie as the main protagonist Dr. Gregory House who leads a team of diagnosticians at the fictional Princeton–Plainsboro Teaching Hospital in New Jersey revolves around using differential diagnostics procedures in a bid to come up with the right diagnosis. With updated probabilities for each of the candidate conditions, the indications for further tests, treatments or other actions changes as well, and so the procedure can be repeated until an end point where there no longer is any indication for currently performing further actions. A differential diagnosis is also commonly used within the field of psychiatry/psychology, where two different diagnoses can be attached to a patient who is exhibiting symptoms which could fit into either diagnosis. Word(s) in meaning: chat  However, for simplicity, let's say that the probability that any of these would have occurred in the first place is calculated at 0.0005 in this example. [8] This confers a likelihood ratio positive of 7 for primary hyperparathyroidism. The procedure of differential diagnosis can become extremely complex when fully taking additional tests and treatments into consideration. From the table above, you can view all meanings of DD: some are educational terms, the other are medical terms, and even computer terms. Acronym Finder, All Rights Reserved. A recalculation may therefore be needed, with the first two conditions being separated into "primary hyperparathyroidism without cancer", "cancer without primary hyperparathyroidism" as well as "combined primary hyperparathyroidism and cancer", and likelihood ratios being applied to each condition separately. Such a constellation can be estimated to have a sensitivity of approximately 70% and a specificity of approximately 90% for primary hyperparathyroidism. If there is an indication for an additional test, and it returns with a result, then the procedure is repeated using the likelihood ratio of the additional test. The following are two methods of differential diagnosis, being based on epidemiology and likelihood ratios, respectively. 'Dolby Digital' is one option -- get in to view more @ The Web's largest and most authoritative acronyms and abbreviations resource. Ignoring more detailed retrospective analyses (such as including speed of disease progress and lag time of medical diagnosis), the time-at-risk for having developed primary hyperparathyroidism can roughly be regarded as being the last half-year, because a previously developed hypercalcemia would probably have been caught up by the previous blood test. Meaning D S : diagnosis: D5: 5% dextrose: D25: 25% dextrose injections D4T: stavudine … Now while Designated Driver is the most commonly used meaning for DD, and is often used in a context where it always means the Designated Driver. PSP, HIPAA Possible DD meaning as an acronym, abbreviation, shorthand or slang term vary from category to category. [21] Thus, non-professionals should still see a health care provider for a proper diagnosis. We know 500 definitions for DD abbreviation or acronym in 8 categories. Developmental Delay + 1 variant. delivery document
Lieferdokument {n}comm.econ. Furthermore, a differential diagnostic procedure can be used concomitantly or alternately with protocols, guidelines, or other diagnostic procedures (such as pattern-recognition or using medical algorithms). Meaning of DDD. Effective providers utilize an evidence-based approach, complementing their clinical experience with knowledge from clinical research.[2]. Later, when the situation is less acute, a more comprehensive differential diagnostic procedure may be adopted. Pr(Presentation is caused by condition in individual) is the probability that the presentation is caused by condition in the individual, Pr(Presentation has occurred in individual) is the probability that the presentation has occurred in the individual, which can be perceived and thereby set at 100%, Pr(Presentation WHOIFPI by condition) is the probability that the presentation Would Have Occurred in the First Place in the Individual by condition, Pr(Presentation WHOIFPI) is the probability that the presentation Would Have Occurred in the First Place in the Individual, Pr(Condition WHOIFPI) is the probability that the condition Would Have Occurred in the First Place in the Individual, Pr(Condition in population) is the probability that the condition occurs in a population that is as similar to the individual as possible except for the presentation, Other diseases that the clinician could think of (which is simply termed "other conditions" for the rest of this example), No disease (or no abnormality), and the finding is caused entirely by. death domain
Todesdomäne {f}biochem. DD: Developmental Disablity: DD: Dragon Drone: DD: Delightful Danish: DD: Doppler Displacement: DD: Deferred Discrepancy: DD: Digital Deliveries: DD: Drum Demand: DD: Deny & Deception: DD: Digital Digging: DD: Diluted bitumen/Diluent lines: DD: Distortion at Decoder: DD: Desk Dips (strength-building exercise) DD: Diabetic to Diabetic (endocrinology research) degenerative disc disease. The meaning of the DD is also explained earlier. The main causes of hypercalcemia are primary hyperparathyroidism (PH) and cancer, so for simplicity, the list of candidate conditions that the clinician could think of can be given as: The probability that 'primary hyperparathyroidism' (PH) would have occurred in the first place in the individual (P(PH WHOIFPI)) can be calculated as follows: Let's say that the last blood test taken by the patient was half a year ago and was normal, and that the incidence of primary hyperparathyroidism in a general population that appropriately matches the individual (except for the presentation and mentioned heredity) is 1 in 4000 per year. Many studies demonstrate improvement of quality of care and reduction of medical errors by using such decision support systems. The Definition of DD is given above so check it out related information. By an initial method by epidemiology, the incidence of parathyroid carcinoma is estimated at about 1 in 6 million people per year,[10] giving a very low probability before taking any tests into consideration. For "cancer", the cutoff at which to confidently regard it as ruled out may be more stringent because of severe consequences of missing it, so the physician may consider that at least a histopathologic examination of the resected tissue is indicated. This example continues for the same patient as in the example for the epidemiology-based method. This case is continued in the example of the method described in the next section. What does DD stand for in Medical? What does DDD mean? For simplicity, let's say that the only information given in the medical records is a family history of primary hyperparathyroidism (here abbreviated as PH), which may explain the finding of hypercalcemia. Education, Special Education, Occupational Therapy. As an analogy, when a die has landed the outcome is certain by 100%, but the probability that it Would Have Occurred in the First Place (hereafter abbreviated WHOIFP) is still 1/6. While novice providers may work systemically to assess all possible explanations for a patients concerns, those with more experience often draw on clinical experience and pattern recognition to protect the patient from delays, risks, and cost of inefficient strategies or tests. Medical dictionary definition of DD as a medical term including diseases, symptoms, treatments, and other medical and health issues. Definition, Synonyms, Translations of dd. This page illustrates how DD is used in messaging and chat forums, in addition to social networking software like VK, Instagram, Whatsapp, and Snapchat. Possible DD meaning as an acronym, abbreviation, shorthand or slang term vary from category to category. The need to find more candidate conditions for inclusion increases with increasing severity of the presentation itself. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical… Yet, the contributive probability fractions of each condition are assumed the same, relatively: When an individual presents with a symptom or sign, Pr(Presentation has occurred in individual) is 100% and can therefore be replaced by 1, and can be ignored since division by 1 does not make any difference: The total probability of the presentation to have occurred in the individual can be approximated as the sum of the individual candidate conditions: Also, the probability of the presentation to have been caused by any candidate condition is proportional to the probability of the condition, depending on what rate it causes the presentation: The probability that a condition would have occurred in the first place in an individual is approximately equal to that of a population that is as similar to the individual as possible except for the current presentation, compensated where possible by relative risks given by known risk factor that distinguish the individual from the population: The following table demonstrates how these relations can be made for a series of candidate conditions: One additional "candidate condition" is the instance of there being no abnormality, and the presentation is only a (usually relatively unlikely) appearance of a basically normal state. As with the previous example of epidemiology-based method, this example case is made to demonstrate how this method is applied, but does not represent a guideline for handling similar real-world cases. To continue the example used above, let's say that the history and physical examination was indicative of cancer as well, with a likelihood ratio of 3, giving an Odds(PostH&E) of 0.057, corresponding to a P(PostH&E) of 5.4%. Thus, a differential diagnosis in this sense is medical information specially organized to aid in diagnosis. Methods similar to those of differential diagnostic processes in medicine are also used by biological taxonomists to identify and classify organisms, living and extinct. All Free. For this patient, let's say that the resultant hereditary risk factor is estimated to confer a relative risk of 10 (RRPH = 10). Prioritizes the list by placing the most urgently dangerous possible causes at the top of the list. Collins German Dictionary – Complete and Unabridged 7th Edition 2005. If an important candidate condition is missed, no method of differential diagnosis will supply the correct conclusion. A diagnostician can be selective, considering first those disorders that are more likely (a probabilistic approach), more serious if left undiagnosed and untreated (a prognostic approach), or more responsive to treatment if offered (a pragmatic approach). Flag. Often, each individual option of a possible disease is called a differential diagnosis (e.g., acute bronchitis could be a differential diagnosis in the evaluation of a cough, even if the final diagnosis is common cold). Machine differential diagnosis is the use of computer software to partly or fully make a differential diagnosis. Therefore, the probability of parathyroid carcinoma may still be close to 100% after histopathologic examination despite the low probability of occurring in the first place. DD: Delightful Daughter: DD: Direct Downlink: DD: Damaged Dwelling (FEMA) DD: Double Desktop: DD: Decoy Discrimination: DD: Directives Documentation (NASA) DD: Dionicko Drustvo (Croatian: limited partnership) DD: Deo Dedit (Latin: Gave To God) DD: Differential Doppler: DD: Differential Detector: DD: Dangerous, Detected Failure: DD: Delniska Druzba (Slovenian company) DD: Development Directive [citation needed]. For simplicity, let's say that the clinician first receives the blood test (in formulas abbreviated as "BT") result for the parathyroid hormone analysis, and that it showed a parathyroid hormone level that is elevated relatively to what would be expected by the calcium level. Also, the example uses relatively specified numbers with sometimes several decimals, while in reality, there are often simply rough estimations, such as of likelihoods being very high, high, low or very low, but still using the general principles of the method. The differential diagnostic procedure may be simplified if a "pathognomonic" sign or symptom is found (in which case it is almost certain that the target condition is present) or in the absence of a 'sine qua non sign or symptom (in which case it is almost certain that the target condition is absent). Education, Special Education, Disability. In healthcare, a differential diagnosis is the distinguishing of a particular disease or condition from others that present similar clinical features. However, these tools all still require advanced medical skills to rate symptoms and choose additional tests to deduce the probabilities of different diagnoses. Rules out or treats possible causes, beginning with the most urgently dangerous condition and working down the list. Definition of dd abbreviation in Oxford Advanced Learner's Dictionary. This would correspond to a "Sum of known P(PostH&E)” of 101.5%. Information and translations of DDD in the most comprehensive dictionary definitions resource on the web. For an individual (who becomes the "patient" in this example), a blood test of, for example, serum calcium shows a result above the standard reference range, which, by most definitions, classifies as hypercalcemia, which becomes the "presentation" in this case. For the instance of there being no disease, the corresponding probability in the population is complementary to the sum of probabilities for other conditions: The probability that the individual would be healthy in the first place can be assumed to be the same: The rate at which the case of no abnormal condition still ends up in a measurement of serum calcium of being above the standard reference range (thereby classifying as hypercalcemia) is, by the definition of standard reference range, less than 2.5%. 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