Fetal Growth Restriction
KEY TERMS Print Section Listen Key Terms Fetal growth restriction (FGR): composite ultrasound estimated fetal weight less than 10th percentile for gestational age. Fetal growth potential (Gardosi): estimated fetal weight…
Ultrasound of the Fetus at 11 to 18 Weeks
INTRODUCTION Print Section Listen The anatomical survey, as well as the understanding of the developmental anatomy and detection rates of fetal anomalies, has evolved over the last 30 years as…
Fetal Biometry
KEY TERMS Print Section Listen Key Terms Biometry: measurements of fetal somatic structures in an attempt to establish the menstrual/gestational age or ensure appropriate interval growth. Menstrual age: conventional manner…
Ultrasound Bioeffects and Safety: What the Practitioner Should Know
KEY TERMS Print Section Listen Key Terms1 Acoustic streaming: movement of tissue or fluid, resulting from the passage of alternating positive and negative pressures of the ultrasound wave. Can also…
Sonographic Diagnosis of Abnormally Adherent Placenta
KEY TERMS Print Section Listen Key Terms Placenta attachment disorders (PAD): spectrum of disorders of abnormal placental implantation to the uterine wall due to an absence or deficiency of the…
Enhanced Myometrial Vascularity: The Role of Ultrasound in the Diagnosis and Treatment
KEY TERMS Print Section Listen Key Terms Arteriovenous malformation (AVM): a faulty connection, or “short circuit,” between the arterious and venous supply of an organ. Enhanced myometrial vascularity (EMV): increased…
Endocrinology
Disorders of Sex Differentiation (DSD) Print Section Listen Definition Congenital conditions in which there is discordance between anatomic sex, hormonal sex, and the sex chromosomes. Pathophysiology Print Section Listen |…
Hematology
Indirect (Unconjugated) Hyperbilirubinemia Print Section Listen See Chapter 35 (Gastroenterology). Thrombocytopenia Print Section Listen Occurs in 1%–5% of newborns (platelet count <150,000/mm3); severe thrombocytopenia (<50,000/mm3) occurs in 0.1%–0.5%. Sick newborns…
Gastroenterology
Delayed Passage of Meconium Print Section Listen The delayed passage of meconium may be the result of a mechanical or functional bowel obstruction. Virtually all infants, term and preterm, will…
