Ultrasound

Ultrasound is a diagnostic method in medicine, also called sonography. It examines subcutaneous tissues such as muscles, joints, tendons, internal organs, and their abnormalities. Ultrasound also has extensive applications in pregnancy.

Specialized ultrasound services at the Iran Rheumatology Center are performed under the supervision of experienced physicians for diagnosing various conditions.

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Frequently Asked Questions About Ultrasound

Ultrasound is a safe imaging technique that uses high-frequency sound waves to create images of internal organs (e.g., abdomen, pelvis, uterus during pregnancy, thyroid gland). It is used to diagnose diseases, monitor fetal development, or guide medical procedures (e.g., biopsies).

No risk. Standard ultrasound does not use X-rays and is completely safe for pregnant women and fetuses. However, it should only be performed when medically necessary and as recommended by a physician.

Depends on the type:

  • Abdominal ultrasound: Fast for 6–8 hours beforehand (for liver/gallbladder exams).
  • Pelvic ultrasound: Drink water before the test to fill your bladder.
  • Pregnancy ultrasound: Usually requires no special preparation.

The gel helps transmit sound waves between the transducer probe and the skin, producing clearer images. It is harmless and wiped off after the procedure.

Between 15 to 45 minutes (depending on the area examined). For example, a pregnancy ultrasound typically takes 20–30 minutes.

Doppler ultrasound evaluates blood flow in vessels or the heart. It is used to detect blood clots (thrombosis), artery narrowing, or assess fetal well-being in high-risk pregnancies.

Ultrasound can identify masses or structural abnormalities (e.g., cysts or tumors), but a definitive cancer diagnosis usually requires a biopsy or other methods (e.g., MRI).

  • Ultrasound:Safe, radiation-free, ideal for soft tissues (e.g., fetus)
  • CT Scan:Uses X-rays; provides rapid imaging of bones/organs
  • MRI:Uses strong magnetic fields for detailed soft-tissue imaging (e.g., brain)

The technician may explain preliminary findings, but the final report by a radiologist is typically ready within 1–2 business days.