
Ultrasound - Mayo Clinic
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 …
Abdominal ultrasound - Mayo Clinic
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 …
Doppler ultrasound: What is it used for? - Mayo Clinic
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 …
Echocardiogram - Mayo Clinic
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 …
Thyroid nodules - Diagnosis & treatment - Mayo Clinic
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 …
Endometriosis - Diagnosis and treatment - Mayo Clinic
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). …
Fetal macrosomia - Diagnosis & treatment - Mayo Clinic
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 …
Ultrasound-guided transperineal prostate biopsy - Mayo Clinic
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, …
Gallstones - Diagnosis & treatment - Mayo Clinic
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 …
Kidney stones - Diagnosis and treatment - Mayo Clinic
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 …