Trans Vaginal Rectal Sonography
Colour Doppler
full urinary bladder
    Trans Vaginal Rectal Sonography  
  Transvaginal ultrasound, performed very much like a gynecologic exam, involves the insertion of the transducer into the vagina after the patient empties her bladder. The tip of the transducer is smaller than the standard speculum used when performing a Pap test. A protective cover is placed over the transducer, lubricated with a small amount of gel and then inserted into the vagina. Only two to three inches of the transducer end are inserted into the vagina. The images are obtained from different orientations to get the best views of the uterus and ovaries. Doppler sonography can also be performed through the transvaginal transducer, which is the same transducer used during sonohysterography.

Transvaginal ultrasound is usually performed with the patient lying on her back with her feet in stirrups as during a gynecologic exam.

The ultrasound image is immediately visible on a nearby screen that looks much like a computer or television monitor. The radiologist or sonographer watches this screen during an examination and captures representative images for storage. Often the patient is able to see the monitor as well.

For the transabdominal approach the patient has a full urinary bladder and is positioned on an examination table. A clear gel is applied to the lower abdomen to help the transducer make secure contact with the skin. The sound waves produced by the transducer cannot penetrate air, so the gel helps to eliminate air pockets between the transducer and the skin. The sonographer then presses the transducer firmly against the skin and sweeps it back and forth to image the pelvic organs. Doppler sonography can also be performed through the same transducer.
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