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Radiology

Obstetric Ultrasound

Built from Fundamentals of Diagnostic Radiology

The first 25 slides of Obstetric Ultrasound
The first 25 slides, exactly as they appear. The full deck has 136 content slides.

What’s inside

7 sections · 136 slides

  1. 01

    Overview

    • Obstetric ultrasound roadmap

    1 slide

  2. 02

    Overview & Imaging Methods

    How obstetric ultrasound is performed, standardized, and kept safe

    • Uses of obstetric ultrasound
    • Standard, limited, and specialized exams
    • Doppler safety in pregnancy

    3 slides

  3. 03

    First Trimester

    Normal and failed early pregnancy, ectopic pregnancy, and trophoblastic disease

    • First trimester overview
    • Early pregnancy: first signs
    • Early pregnancy landmarks
    • Normal early pregnancy findings
    • Gestational sac signs
    • Intradecidual sign
    • Double decidua sign
    • Yolk sac and embryo
    • Yolk sac
    • Early embryo: double bleb sign
    • Corpus luteum
    • Corpus luteum
    • Normal embryo landmarks
    • Normal cystic rhombencephalon
    • Normal mid-gut herniation
    • Problematic early pregnancy: terms
    • Types of abortion
    • Empty sac and pregnancy failure
    • Failed pregnancy
    • Normal embryonic heartbeat and demise
    • Criteria for nonviable first-trimester pregnancy
    • Uncertain viability and unknown location
    • Intrauterine pregnancy of uncertain viability
    • Ectopic pregnancy overview
    • Ectopic pregnancy findings
    • Ectopic pregnancy
    • Clinical risk factors for ectopic pregnancy
    • Findings of ectopic pregnancy
    • Tubal ectopic pregnancy: ring of fire
    • Pseudogestational sac
    • Ectopic sites and treatment
    • Subchorionic hemorrhage
    • Subchorionic hemorrhage
    • Retained products of conception
    • Retained products of conception
    • Gestational trophoblastic disease
    • Hydatidiform mole
    • Hydatidiform mole types
    • Hydatidiform mole
    • Theca lutein cysts
    • Invasive mole and choriocarcinoma

    41 slides

  4. 04

    Fetal Measurements & Growth

    Dating, biometry, growth restriction, and Doppler assessment

    • Dating the pregnancy
    • Crown-rump length
    • Fetal biometry
    • Transthalamic (BPD/head circumference) plane
    • Abdominal circumference
    • Femur length
    • 1.1 wk
    • Intrauterine growth restriction
    • Causes of intrauterine growth restriction
    • Symmetric vs asymmetric growth restriction
    • Diagnosing growth restriction
    • Biophysical profile
    • Fetal Doppler and growth restriction
    • Umbilical artery Doppler in distress
    • Umbilical artery Doppler
    • Fetal macrosomia

    16 slides

  5. 05

    The Fetal Environment

    Uterus and adnexa, placenta and membranes, amniotic fluid, and twins

    • Uterine fibroids in pregnancy
    • Adnexal cysts in pregnancy
    • Cervical incompetence
    • Cervical incompetence
    • Normal placenta
    • Normal placenta and umbilical cord insertion
    • Placenta previa
    • Placenta previa
    • Vasa previa
    • Vasa previa
    • Placental abruption
    • Placental abruption
    • Placenta accreta spectrum
    • Chorioangioma and umbilical cord
    • Normal umbilical cord
    • Amniotic bands and sheets
    • Amniotic band syndrome
    • Amniotic sheet
    • Amniotic fluid
    • Amniotic fluid cycle
    • Polyhydramnios and oligohydramnios
    • Twins and chorionicity
    • Chorionicity in twins
    • Monochorionic twin complications

    24 slides

  6. 06

    Fetal Anomalies

    Aneuploidy screening and a systematic survey of the organ systems

    • Fetal anomaly screening
    • Nuchal translucency
    • Nuchal translucency
    • Serum and cell-free DNA screening
    • Sonographic markers for trisomy 21
    • Sonographic markers for trisomy 21
    • Normal nasal bone
    • Trisomies 21 and 18
    • Three axial brain planes
    • Three axial brain planes
    • Transcerebellar plane and nuchal fold
    • Transventricular plane: early ventriculomegaly
    • Algorithm for congenital brain abnormalities
    • Ventriculomegaly
    • Ventriculomegaly
    • Neural tube defects
    • Anencephaly
    • Encephalocele
    • Normal spine and spina bifida
    • Holoprosencephaly and related defects
    • Holoprosencephaly
    • Hydranencephaly
    • Dandy-Walker malformation
    • Face and neck anomalies
    • Normal face view and cleft lip
    • Cystic hygroma
    • Fetal hydrops
    • Fetal hydrops
    • Chest masses
    • Congenital diaphragmatic hernia
    • Cystic adenomatoid malformation
    • Fetal heart screening
    • Normal screening views of the fetal heart
    • Normal fetal abdomen
    • Bowel anomalies
    • Double bubble
    • Small bowel obstruction
    • Urinary tract obstruction and cystic disease
    • Hydronephrosis
    • Autosomal recessive polycystic kidney disease
    • Abdominal wall defects
    • Gastroschisis vs omphalocele
    • Cord insertion, gastroschisis, and omphalocele
    • Skeletal dysplasias
    • Micromelic dwarf
    • Key takeaways

    46 slides

  7. 07

    Suggested Readings

    Reference list for the topic

    • Suggested Readings
    • Suggested Readings
    • Suggested Readings
    • Suggested Readings
    • Brant and Helms' Fundamentals of Diagnostic Radiology

    5 slides