Discourse communities require a network of communication where the members of it can be any amount of distance apart as long as they operate with the same language, but speech communities require proximity to convey the culture of their language.
Pragmatic classification of the causes of high D-dimer. Abstract. Venous thromboembolism (VTE) remains the most. common preventable cause of in-hospital death and D-dimer. (DD) is one of the essential diagnostic tools for it. Each risk. factor for VTE can raise DD and they are numerous: 24 listed in 2008 European Guidelines.
Diffuse hyperpigmentation may have a systemic cause, such as Addison's disease, hyperthyroidism, or hemochromatosis. It also may occur because of a medication side effect. In Addison's disease, the adrenal glands fail to produce adequate amounts of mineralo-corticoids and glucocorticoids.ystemic symptoms may indicate the presence of hyperthyroidism, Addison's disease, or diabetes-related disorders. A review of medication use, supplement use, and exposure to plants and ultraviolet radiation can help determine whether hyperpigmentation is caused by a medication side effect or a phototoxic reaction.