Obgyn Key

57 Brain Tumors Angela J. Sievert, Jane E. Minturn Tumors of the central nervous system (CNS) are the most common solid tumors of childhood and the primary source of cancer-related…

31 Otitis Melissa A. Hofmann Otitis is defined as inflammation of the ear. Otitis media is inflammation of the middle ear, and otitis externa is inflammation of the outer ear…

23 Disorders of the Hip and Lower Extremity Jessica Sparks Lilley, Mercedes M. Blackstone The pediatrician’s knowledge of orthopedic disorders must be broad because the clinical presentation and diagnostic approach…

37 Bronchiolitis and Wheezing Gustavo Nino Wheezing is a high-pitched musical sound produced by air flowing through narrowed airways. Wheezes are heard mostly during the expiratory phase. They are usually…

36 Stridor Soorena Khojasteh, Paul L. Aronson Stridor is a clinical finding reflecting partial extrathoracic airway obstruction. Although it is not pathognomonic for any single disease process, its presence can…

48 Syncope Brett R. Anderson, Anitha S. John Syncope is defined as a brief, sudden loss of consciousness and postural tone as the result of a decrease in cerebral blood…

26 Chronic Arthritis Julie M. Linton, Pamela F. Weiss Juvenile idiopathic arthritis (JIA) is the most common rheumatologic disease among children. The term JIA describes a clinically heterogeneous group of…

46 Heart Failure E. Kevin Hall A healthy child’s heart may beat more than 200,000 times and transport more than 3 tons of blood each day. The heart and vascular…

24 Disorders of the Neck and Spine Mark R. Zonfrillo Pediatric disorders of the neck and spine are generally rare. The majority of these conditions can be treated with rest,…

56 Lymphomas Dana Sepe, Leslie Kersun Lymphomas are malignant neoplasms of the lymphoid tissue and include Hodgkin’s lymphoma (HL) and non-Hodgkin’s lymphoma (NHL). They are the third most common type…