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Color Doppler

COLOR DOPPLER & ULTRA SOUND SCAN

Centre is equipped with Whole Body ALOKA SSD-4000 & ALOKA SSD-3500

Ultrasound imaging, also called ultrasound scanning or sonography, involves exposing part of the body to high-frequency sound waves to produce pictures of the inside of the body. Ultrasound exams do not use ionizing radiation (x-ray). Because ultrasound images are captured in real-time, they can show the structure and movement of the body's internal organs, as well as blood flowing through blood vessels.

Ultrasound imaging is usually a painless medical test that helps physicians diagnose and treat medical conditions.

Conventional ultrasound displays the images in thin, flat sections of the body. Advancements in ultrasound technology include three-dimensional (3-D) ultrasound that formats the sound wave data into 3-D images. Four-dimensional (4-D) ultrasound is 3-D ultrasound in motion.

A Doppler ultrasound study may be part of an ultrasound examination.

Doppler ultrasound is a special ultrasound technique that evaluates blood as it flows through a blood vessel, including the body's major arteries and veins in the abdomen, arms, legs and neck.

There are three types of Doppler ultrasound:

  • Color Doppler uses a computer to convert Doppler measurements into an array of colors to visualize the speed and direction of blood flow through a blood vessel.
  • Power Doppler is a newer technique that is more sensitive than color Doppler and capable of providing greater detail of blood flow, especially in vessels that are located inside organs. Power Doppler, however, does not help the radiologist determine the direction of flow, which may be important in some situations.
  • Spectral Doppler. Instead of displaying Doppler measurements visually, Spectral Doppler displays blood flow measurements graphically, in terms of the distance traveled per unit of time.

Some of the indications/uses are as under :

  • 3D scan
  • Color Doppler: To study the blood flow in pregnancy, carotid (in CVA) and limb vessels (pain in limb etc), renal arteries (in hypertension), testicular torsion, tumors etc.
  • Abdominal and general scans.
  • Pregnancy: Routine scans for foetal well being, growth retardations, foetal anomalies etc.
  • Follicular and ovulation studies for infertility.
  • Trans vaginal scans.
  • Trans rectal scan for prostate (TRUS)
  • Small parts examinations such as Eye, thyroid, breast, testis, musculo-skeletal system etc.
  • Ultrasound contrast  imaging.  Very few centres in India are doing this study. Ours is the only centre doing this study in city.

 

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