Obgyn Key

Jaundice, Newborn Clyde J. Wright Michael A. Posencheg INTRODUCTION Jaundice is a term used to describe the visible manifestation of elevated serum concentrations of bilirubin. The breakdown products of heme…

Jaundice Evelyn K. Hsu INTRODUCTION Jaundice is defined as a yellow discoloration of the skin, mucous membranes, and sclerae caused by increased levels of circulating bilirubin. The term “jaundice” is…

Hypotonia Lawrence W. Brown INTRODUCTION Hypotonia is defined as abnormally low resting muscle tone. It primarily manifests as decreased resistance to passive movement and abnormalities in resting posture. Hypotonia most…

Hypertension Kevin E.C. Meyers INTRODUCTION Normotension is defined as blood pressure (BP) (systolic, diastolic, or both) that is <90th percentile for the patient’s age, height percentile, and sex. Prehypertension is…

Hepatomegaly Christina Bales INTRODUCTION Hepatomegaly is an important physical examination finding, which may reflect intrinsic liver disease or a wide array of systemic diseases. Determination of liver size may be…

Hemoptysis Suzanne E. Beck INTRODUCTION Hemoptysis is the expectoration or coughing up of blood from the respiratory tract. Bleeding from the respiratory tract can range from blood-streaked sputum to coughing…

Hemolysis Kim Smith-Whitley INTRODUCTION Hemolysis is increased red blood cell (RBC) destruction with compensatory increased RBC production. The patient with hemolysis usually presents with symptoms of anemia and hyperbilirubinemia. However,…

Hematuria Rebecca Ruebner Madhura Pradhan INTRODUCTION Hematuria, the medical term for the presence of blood in the urine, is a common pediatric problem. Gross hematuria is the visible presence of…

Headache Nicholas S. Abend Donald Younkin INTRODUCTION Headaches are common in children and adolescents. The incidence increases from early childhood to adolescence. Headaches may be classified as primary or secondary…

Head Trauma Oluwakemi B. Badaki-Makun Joel A. Fein INTRODUCTION Head injury in children accounts for up to 650,000 emergency department visits, 95,000 hospitalizations, and 7,400 deaths per year. It is…