Endocrine Disorders
FEEDBACK CONTROL OF HORMONE SECRETION Hormone secretion is regulated, for the most part, by feedback in response to changes in the internal environment. When the metabolic imbalance is corrected, stimulation…
Respiratory Tract Mediastinum
Bogue CW: Genetic and molecular basis of airway and lung development. In Haddad GG et al (eds): Basic Mechanisms of Pediatric Respiratory Disease. BC Decker; 2002. Burri P: Structural aspects…
Cardiovascular Diseases
PHYSICAL EXAMINATION General The examination begins with a visual assessment of mental status, signs of distress, perfusion, and skin color. Documentation of heart rate, respiratory rate, blood pressure (in all…
Ear, Nose, Throat
Otitis Externa ESSENTIALS OF DIAGNOSIS Edema and erythema of the external auditory canal (EAC) with debris or thick, purulent discharge. Severe ear pain, worsened by manipulation of the pinna. Periauricular…
Inborn Errors of Metabolism
Table 36–2. Obtaining and handling samples to diagnose inborn errors. Laboratory studies are almost always needed for the diagnosis of inborn errors. Serum electrolytes and pH should be used to…
Genetics Dysmorphology
Figure 37–1. Normal male and female human karyotype. (Courtesy of the Colorado Genetics Laboratory.) Cell Division Cells undergo cycles of growth and division that are controlled according to their needs…
Immunodeficiency
Figure 33–1. General approach to primary immunodeficiencies. Key clinical patterns can indicate the presence of a PID and the category of immune impairment. Frequency, severity, and age of onset of…
Immunization
Because the field of immunizations is rapidly changing, it is important for healthcare providers to seek the most cup-to-date information available. The immunization recommendations outlined in this chapter are current…
The Newborn Infant
Disappearance of the anterior vascular capsule of the lens is also helpful in determining gestational age. Until 27–28 weeks’ gestation, the lens capsule is covered by vessels; by 34 weeks,…
