CH 19-22 - OBGYN Review
What are the sonographic features of endometritis?
Thickened irregular endometrium with intraluminal fluid/gas with ring-down artifact
A patient presented with pelvic pain, infertility, and a palpable right adnexal mass. Sonography demonstrated a multicystic complex right adnexal mass with dirty shadowing and bilateral hydrosalpinx. What is the most likely cause?
Tubo-ovarian abscess
What causes menses to start?
Drop in estrogen and progesterone
Which of the following is an indication for a first-trimester sonogram?
Evaluation of suspected ectopic pregnancy
What are the two phases of the ovarian cycle?
Follicular and luteal
What fetal presentation is observed if the fetal buttocks are at the cervix and the legs are extended in front of the fetal face?
Frank breech
Which of the following measurements is only used in the first trimester?
Mean sac diameter
What should the sonographer do for their patient if they are suffering from supine hypotensive syndrome?
Put patient into left lateral decubitis position
What does G4P2 represent?
4 pregnancies, 2 births at > 20 weeks gestation, 1 failed gestation
A patient is scanned for a biophysical profile (BPP). The fetus demonstrates 3 gross movements, 1 episode of tone, absent fetal breathing and a largest vertical pocket measurement of 4cm. What is the BPP score?
6/8
A patient presents at 18 weeks gestation for a sonogram, what is a possible reason for performing a transvaginal scan?
Better assess placenta location
What is the most common ovarian mass associated with pregnancy?
Corpus luteal cyst
What is the term used to describe inflammation of the endometrium?
Endometritis
During which phase of the menstrual cycle is the endometrium at it's thickest?
Secretory phase
Fifty percent of PID cases are caused by which of the following?
Sexually transmitted diseases
The second trimester is considered which of the following?
Weeks 13-26
What measurements are correlated to determine an estimated fetal weight?
biparieteal diameter (BPD), head circumference (HC), abdominal circumference (AC), and femur length (FL)
Which sonographic exam is used to assess fetal hypoxia?
Biophysical profile
What causes the endometrium to become thicker in the first phase of the menstrual cycle?
Increased estrogen levels
How is the biparietal diameter measured?
Outer edge of temporal skull - inner edge of temporal skull
