Positive in Medical Definition

High Frequency Ventilation

... Interruption (HFFI) 2.4 High Frequency positive Pressure Ventilation (HFPPV) ... by using negative pressure in the thorax . Once positive pressure is applied, some degree of VILI is ... reduced by using smaller tidal volumes. During positive pressure ventilation, atelectatic regions will ...

Positive predictive value

... The positive predictive value , or precision rate , is the proportion of patients with positive test results who are correctly diagnosed. It is ... standard, as it reflects the probability that a positive test reflects the underlying condition being ...

Thymocyte

... in the thymus . The processes of beta-selection, positive selection and negative selection shape thymocytes ... Settling 2.2 Beta selection 2.3 positive selection and lineage commitment 2.4 ... substages. The next major stage is the double positive stage (positive for both CD4 and CD8). The final ...

Automatic Positive Airway Pressure

... This article is about the sleep apnea treatment. For the drug, see paracetamol . Automatic positive Airway Pressure abbreviated APAP , is the most advanced form of treatment for sleep apnea . An APAP machine incorporates pressure sensors and a ...

Breath-holding spells

... They are most common in children between 6 and 18 months and usually not present after 5 years of age. They are unusual before 6 months of age. A positive family history can be elicited in 25% of cases. It is often confused with epilepsy . There are two types of breath holding spells. Cyanotic ...

Family history (medicine)

... exact diagnosis In complex situations, a family tree may be necessary to cover the necessary aspects. Consequences Not all positive family histories imply a genetic cause. If various members of the same family have been exposed to the same toxin , then they may develop similar ...

Pathology

... response. Chronic inflammation occurs when the acute response fails to entirely clear the inciting factor. While chronic inflammation can lay a positive role in containing a continuing infectious hazard, it can also lead to progessive tissue damage, as well as predisposing (in some cases) to the ...

Patient trade-off

... if there is no documented treatment benefit, may decide to choose the treatment so long as the theoretical possibility exists that there may be some positive treatment effects, although this has not been empirically established. The relatively complex dynamics of this kind of compromise are an interesting ...

Sutton's law

... costs. It is also applicable to other disciplines, such as debugging computer programs . A more thorough analysis will consider the false positive rate of the test and the possibility that a less likely diagnosis might have more serious consequences. The law is named after the bank robber ...