general ultrasonography uses have a wider application scope

2. Obstetric
 Gynecology
Abdomen
Neck
CONTENTS

4.  Gestational sac-5 weeks
 Mean Sac Diameter: 2-3 mm
 Yolk sac -5 weeks
 Circular anechoic
structure within gestational sac, but
outside the amniotic membrane
 Fetal pole and cardiac activity -
6weeks
 Thickening on the margin of the yolk
sac .
 Cardiac activity detected
when fetal pole measures ≥7 mm.
 Location and number of fetus
1.CONFIRMATION OF PREGNANCY

5. • In first trimester :
• Miscarriage
• Blighted ovum
• Molar pregnancy
• Snowstorm appearance
Ectopic pregnancy
• Absence of intrauterine pregnancy
with positive pregnancy test
• Adnexal mass separated from the
ovary
2. VAGINAL BLEEDING IN PREGNANCY

6. • In second and third trimester
:
• Placenta previa
• Placenta abruptio
2. VAGINAL BLEEDING IN PREGNANCY

7.  The Crown-rump length
 6-13 weeks gestational
age
 Femur length ,biparietal
diameter, head
circumference and
abdominal circumference
 Shepard’s formula
 Hadlock’s formula
3.GESTATIONAL AGE AND FETAL WEIGHT

8.  Before 20 weeks
4. FETAL MALFORMATION DETECTION

9. Polyhydramnios
AFI >24 cm
Largest vertical pocket
>8cm
Oligohydramnios
AFI <5cm
Largest vertical pocket
<2cm
5. AMNIOTIC FLUID ASSESSMENT

11.  To assess pelvic organs,
 To diagnose and manage
gynecologic problems including
endometriosis, leiomyoma,
adenomyosis, ovarian cysts and
lesions,
 To diagnose gynecologic cancer
GYNECOLOGICAL USES

13.  Abdominal ultrasound imaging is
performed to evaluate the:
 Kidneys
 Liver
 Gallbladder
 Pancreas
 Spleen
 Abdominal aorta and other blood
vessels of the abdomen
 Can be diagnostic or therapeutic
ABDOMINAL USG

15.  Indications for head and neck
ultrasound examinations :
 Salivary glands;
 Lymph nodes;
 Congenital lesions;
 Miscellaneous mass lesions;
 Infection and trauma;
 Endocrine
HEAD AND NECK USG

16. DC Dutta Textbook of obstetrics
http://www.aium.org/resources/guidelines/headneck.pdf
www.ob-ultrasound.net
http://www.radiologyassistant.nl
http://radiopaedia.org
REFERENCE