Obgyn Key

Hematopoietic Cell Transplantation   Ann E. Woolfrey, Paul A. Carpenter, and Jean E. Sanders   Hematopoietic cell transplantation (HCT) transfers a small number of hematopoietic stem cells (HSC) from a…

Polyps and Tumors of the Gastrointestinal Tract   Steven H. Erdman and Edward J. Hoffenberg   The most common gastrointestinal tumor in children is the benign single juvenile polyp. Single…

Disorders of Platelets   Cindy E. Neunert and Donald L. Yee   PLATELET PRODUCTION, STRUCTURE, AND FUNCTION Platelets arise from megakaryocytic precursors in the bone marrow. Maturation and production is…

Pediatric Transplantation   Patrick J. Healey   Solid organ transplantation is now a routine component of management for organ failure of the kidney, liver, heart, lung, and intestine in children….

Mechanisms of Hormone Action   Adda Grimberg and Linda A. DiMeglio   A hormone is a molecule that is secreted into the circulation to influence the function of target cells…

Viral Hepatitis   Henry Pollack and William Borkowsky   Many viruses can infect the liver (Table 308-1). Often, infection occurs as part of a disseminated viremia. In this chapter, we…

Heart Failure   Robert E. Shaddy and Chitra Ravishankar   Heart failure is a complex condition with many potential causes, but with the end result that the heart is unable…

The Pharynx and Upper Airway   Marshall E. Smith   ORAL CAVITY AND OROPHARYNX EMBRYOLOGY The oral cavity begins as a depression that invades into the developing embryo. It invaginates…

Development of Renal Function   Tino D. Piscione   A clear understanding of changes in glomerular and tubular function and renal hemodynamics in the perinatal period is crucial for appropriate…

Postnatal Care and Observation   Anthony E. Burgos   GENERAL CONSIDERATIONS As the number of high-risk and preterm births increases, delivery centers are challenged to provide a consistently high standard…