In patients receiving dialysis, the normal homeostatic mechanisms for regulating calcium balance are impaired. Calcium absorption cannot be adjusted, due to the kidney's inability to produce 1,25(OH)2D. Further, the level of the peripheral tissue VDR may be reduced.
Job Description for Neonatologist. A neonatologist is a highly specialized pediatrician who specifically treats newborns. They generally work in a neonatal intensive care unit, or NICU, in addition to newborn wings of hospitals. Their patients are primarily babies who have severe problems, including premature births, inborn diseases, genetic diseases, or malformations, as well as infants of difficult births. They are almost always present in delivery rooms to evaluate newborns and decide if they should go to the NICU or the nursery.
Hematologist-Oncologists specialize in cancer and blood disorders. More in Rare Diseases. A hematologist-oncologist is a doctor with special training diagnosing and treating blood diseases and blood cancers such as iron-deficiency anemia, hemophilia, sickle-cell disease, leukemia, and lymphoma. Hematologist-oncologists are trained in both hematology, the study of blood, and oncology, the study of cancer. Oncologists usually have some expertise and proficiency in the management of solid tumors like breast cancer. Some hematologist-oncologists become stem cell transplantation experts.