May 3, 2024 · Ultrasound is a valuable tool, but it has limitations. Sound waves don't travel well through air or bone. This means ultrasound isn't effective at imaging body parts that have gas in them or are …

Nov 5, 2024 · An abdominal ultrasound is a medical imaging test that uses sound waves to see inside the belly area, also called the abdomen. It's the preferred screening test for abdominal aortic …

Jul 3, 2025 · Doppler ultrasound is a noninvasive test that can be used to measure the blood flow through your blood vessels. It works by bouncing high-frequency sound waves off red blood cells that …

Nov 12, 2024 · The ultrasound wand goes through the catheter and moves near the heart. The wand gives off sound waves. It records the sound waves that bounce back from the heart. A computer …

Jun 14, 2025 · Ultrasound. This test uses sound waves to make images of your thyroid gland. A thyroid ultrasound shows the shape and structure of nodules. Fine-needle aspiration biopsy. A biopsy of …

Aug 30, 2024 · A standard ultrasound won't confirm whether you have endometriosis. But it can find cysts linked with the condition called endometriomas. Magnetic resonance imaging (MRI). This exam …

Sep 20, 2025 · Fetal macrosomia can't be definitively diagnosed until after a baby is born and weighed. But if you have risk factors for fetal macrosomia, your healthcare professional likely will use tests to …

Nov 5, 2019 · Overview of ultrasound-guided transperineal prostate biopsies In transperineal biopsy, the urologist passes the biopsy needle through the perineal skin and into the prostate, rather than …

Apr 16, 2025 · Abdominal ultrasound. This test is the one most commonly used to look for signs of gallstones. Abdominal ultrasound involves moving a device (transducer) back and forth across your …

Apr 4, 2025 · That's because this kind of imaging test can miss small kidney stones. Ultrasound is another imaging option to diagnose kidney stones. Analysis of passed stones. You may be asked to …