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Radiology

Atlas of Selected Normal Images

Built from Obstetric Imaging

The first 25 slides of Atlas of Selected Normal Images
The first 25 slides, exactly as they appear. The full deck has 113 content slides.

What’s inside

12 sections · 113 slides

  1. 01

    Overview

    • What this picture library is
    • Reading the grey: bright, dark, black
    • The three slices you will keep meeting
    • How the atlas is arranged

    4 slides

  2. 02

    Dating the pregnancy and checking the cervix

    The two measurements made before the fetus is big enough to survey

    • How ultrasound puts a date on a pregnancy
    • Crown-rump length measurement
    • Why the cervix is measured
    • Cervical length on transvaginal ultrasound

    4 slides

  3. 03

    The placenta and the umbilical cord

    Where the afterbirth sits, and the three-vessel lifeline running from it

    • Finding the placenta
    • Anterior placenta on a sagittal uterine view
    • Posterior placenta on a sagittal uterine view
    • Cord insertion into the placenta
    • What is inside the umbilical cord
    • The cord in cross-section
    • Three vessels seen across the cord
    • Where the cord vessels run inside the fetus
    • Fetal end of the cord and the vessels beside the bladder
    • Checking the belly wall where the cord enters
    • Intact abdominal wall at the cord insertion

    11 slides

  4. 04

    The fetal heart at 12 weeks

    The same cardiac views, obtained far earlier than the routine anatomy scan

    • The heart can be surveyed early
    • Four-chamber view of the heart at 12 weeks
    • Interventricular septum at 12 weeks
    • Left ventricular outflow at 12 weeks
    • Three-vessel view with colour Doppler at 12 weeks
    • Aortic arch at 12 weeks

    6 slides

  5. 05

    The standard cardiac views

    One continuous sweep from the four chambers up to the arches

    • The cardiac sweep, step by step
    • What the four-chamber view answers
    • Four-chamber view through the fetal chest
    • Why fetal position matters
    • Interventricular septum with the fetus in left decubitus
    • The two outflow tracts
    • Left ventricular outflow tract view
    • Right ventricular outflow tract and main pulmonary artery
    • The three-vessel view
    • Three vessels seen in one transverse slice
    • Two arches, and how to tell them apart
    • Aortic arch and its head and arm branches
    • Ductal arch in parasagittal section
    • The great veins returning to the heart
    • Both venae cavae draining into the right atrium
    • Aorta and inferior vena cava side by side
    • How fetal blood bypasses the liver

    17 slides

  6. 06

    The fetal brain and the head measurements

    Three axial planes carry almost the whole routine brain check

    • Landmarks in the fetal brain
    • Corpus callosum with its overlying artery
    • The posterior fossa: three things in one view
    • Posterior fossa in the second trimester
    • How the nuchal fold is measured
    • Transcerebellar view for the posterior fossa measurements
    • Caliper placement for the nuchal fold
    • Cerebellum and cisterna magna
    • Ventricles and the choroid plexus
    • Choroid plexus in the second trimester
    • Choroid plexus in the first trimester
    • Measuring the atrium of the lateral ventricle
    • The head measurements and their rules
    • Biparietal diameter and head circumference plane
    • < 10 mm

    15 slides

  7. 07

    The fetal face

    A profile, two coronal sweeps and an axial slice cover the whole face

    • Working through the face
    • Midsagittal profile of the face
    • Coronal view of nose and upper lip
    • Fetal tongue on a coronal view
    • The palate, the orbits and the ears
    • Fetal palate as a bright semicircle
    • Both orbits on one coronal view
    • Fetal ear in two planes

    8 slides

  8. 08

    The chest and the abdomen

    The diaphragm divides them, and one transverse slice carries the growth measurement

    • The line that divides chest from belly
    • Diaphragm as a dark curved line
    • Lung and liver either side of the diaphragm
    • Landmarks in the fetal abdomen
    • Fetal gallbladder as a teardrop-shaped pocket
    • Fluid-filled fetal stomach
    • How the abdominal circumference is measured
    • Plane and calipers for the abdominal circumference

    8 slides

  9. 09

    Kidneys, adrenal glands, spine and external genitalia

    The back half of the anatomy survey

    • Finding the kidneys
    • Both kidneys on a coronal view
    • Renal arteries supplying both kidneys
    • Kidneys on a transverse slice
    • The adrenal gland
    • Triangular adrenal gland above the kidney
    • Checking the spine
    • Lumbosacral spine with intact overlying skin
    • Sagittal view along the spine
    • Parallel vertebral columns on a coronal view
    • External genitalia
    • Female external genitalia
    • Male external genitalia

    13 slides

  10. 10

    The limbs

    Long bones are measured; hands and feet are counted and inspected

    • How a long bone is measured
    • Longitudinal view of the humerus
    • Longitudinal view of the femur
    • Telling the paired bones apart
    • Ulna and radius in the forearm
    • Tibia and fibula in the lower leg
    • Hands and feet
    • Developing bones of the fetal hand
    • Fetal foot and toes in two panels

    9 slides

  11. 11

    Doppler: looking at blood flow

    Grey-scale shows structure; Doppler shows how hard blood is having to push

    • What Doppler adds to the picture
    • The numbers a Doppler trace reports
    • Umbilical artery Doppler
    • Umbilical artery Doppler waveform and indices
    • Umbilical artery Doppler in the third trimester
    • How the fetus protects its brain
    • Measuring the middle cerebral artery
    • Middle cerebral artery Doppler
    • The ductus venosus
    • Ductus venosus flow
    • Uterine artery Doppler: normal and abnormal
    • Where the uterine artery is sampled
    • Uterine artery Doppler with waveform

    13 slides

  12. 12

    Pulling it together

    What to carry away from the normal atlas

    • Habits the atlas teaches
    • The measurements worth memorising
    • The vessels worth memorising
    • Source of these images
    • Obstetric Imaging: Fetal Diagnosis and Care, 2nd Edition

    5 slides