Obgyn Key

Neonatal Infections Samir S. Shah NEONATAL SEPSIS Overview The most common classification of neonatal sepsis is by age at onset. Early-onset infection. Clinical manifestations of early-onset infection occur within the…

Neck Pain/Stiffness Jill C. Posner INTRODUCTION In children, the chief complaint of neck pain often may represent neck stiffness or torticollis. Torticollis describes a characteristic malpositioning of the head and…

Neck Mass Frances Nadel Monika Goyal INTRODUCTION Neck masses are a common clinical problem in children. Although the list of potential causes is extensive, most are due to benign processes…

Murmurs Jack Rychik INTRODUCTION A murmur is an auditory vibration produced by turbulent flow within the cardiac structures. A murmur may be physiologic (i.e., a normal finding) or pathologic. Heart…

Mediastinal Mass Leslie S. Kersun INTRODUCTION The mediastinum is a potential space within the thoracic cavity, between the two pleura. It is divided into anterior, middle, and posterior regions. The…

Macrocephaly Lawrence W. Brown INTRODUCTION The skull provides a fixed space for the brain, blood vessels, and cerebrospinal fluid (CSF) in adults and older children, thus causing symptoms of increased…

Lymphadenopathy Leslie S. Kersun INTRODUCTION Healthy children frequently have palpable lymph nodes, most commonly in the cervical, axillary, and inguinal areas. There is a broad differential diagnosis for lymphadenopathy in…

Leukocytosis David T. Teachey INTRODUCTION Leukocytosis is defined as an increase in the total number of white blood cells (WBCs). The normal WBC count varies by age, with infants having…

Leukopenia David T. Teachey INTRODUCTION Leukopenia is defined as a decrease in the total white blood cell (WBC) count, usually to >4,000/mm3. Neutropenia is defined as a decrease in the…

Joint Pain Jeffrey A. Seiden INTRODUCTION Arthritis is defined as the limitation of motion of a joint with associated swelling, pain with motion, tenderness, or warmth. Arthralgia is joint pain…