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SON 110
Final Exam
Term | Definition |
---|---|
How will the fetus lie in relation to the mother? | longitudinal, transverse, oblique |
what criteria is needed to image an accurate bi-parietal diameter? | any plane of section that intersects the thalami and 3rd ventricle. measurement cursors are placed from the outer edge of the near cranium wall to the inner edge of the far cranium wall |
what is infection control? | the technique used to prevent the spread of infections or disease. 1. keep your patients, yourself and environment clean 2. isolation techniques and precautions to confine germs// wear gloves, wash hands before and after exam, used linens in hamper |
know the uterine spaces where fluid may collect in the female pelvis | anterior cul-de-sac - between the uterus and pubic bone / posterior cul-de-sac - posterior to the uterus and anterior to the rectum |
know the two openings in the cervix | internal os, external os |
how does the endometrial thickness change during the menstrual cycle? | the superficial layer increases in size during the mestrual cycle and sloughs off at the time of menses |
what modality is used to measure the fetal heart rate? | m-mode and PW doppler |
what history do you need from your patient? | previous sonograms? where is your pain? how long have you had it? nausea or vomiting? problems with pregnancy? 1st day of last missed period? other diagnostic tests? surgeries? |
know patient preparation for different types of sonograms | Abdominal-NPO after midnight or 6 hours before, hydrate patients for renal exams/ Transabdominal-patient must have a full bladder/ Transvaginal-empty bladder/ obstetrical-full bladder |
what view of the fetal heart do the sonographers routinely image? | sagittal |
what is sterile technique? | sterile-free from living germs and microorganisms sterile field- a special area that is free of microorganisms or "clean" environment that surrounds an incision, and relatively free of microorganisms, in particular bacteria |
what is an ectopic pregnancy? what does a sonographer need to know before starting a sonogram when an ectopic is suspected? | an ectopic pregnancy is a pregnancy outside of the uterus. Look for a pseudo sac. |
define fetal pole | a thickening of the margin on a yolk sac of a fetus during pregnancy. about 6.5 weeks |
know the fetal measurements routinely documented in the 2nd and 3rd trimesters | femur length, biparietal diameter, head circumference, abdominal circumference |
know what fetal structures are imaged in the fetal abdomen | umbilical part of left portal vein, aorta, circular shaped abdomen, stomach, 3 ossifications of the spine |
know 2 measurements used in the 2nd tirmester to determine the age of the pregnancy | biparietal measurement of the fetal head and femur length measurements |
be able to identify the pelvic anatomy and uterine sections |