According to etiology, erythrocytosis is divided into acquired and hereditary. In accordance with pathogenesis it is divided into true (absolute, which is caused by erythropoiesis activation in the bone marrow and an increase of circulating erythrocyte mass) and false — relative and hemoconcentration (results from plasma volume decrease and thus is not accompanied by an increase of circulatin…
Almost anything can cause ‘disease’ if the conditions are right. For example, water is essential for life but if taken in extreme excess or given intravenously, particularly in a patient with kidney failure, it can cause problems. In this situation, the body is unable to respond adequately so homeostasis is not maintained and a ‘disease state’ occurs.What may be harmless to one person m…