Ultrasound Imaging to Create Images of the Internal Organs

Ultrasound imaging is a non invasive imaging technique used to obtain images from different organs inside the human body. This method involves sending high frequency sound waves through the body. As the sound waves are reflected from the internal organs, they are processed by special instruments to create images of the organs. Ultrasound imaging does not involve any kind of ionizing radiation.

The theory of ultrasound imaging is similar to that of sonar. The echo pattern of the reflected sound waves that bounce off internal organs is used to detect diseases such as tumours. The images are captured in real time and displayed on the monitor. This property is used to detect blood flow or any kind of abnormality in blood vessles, to detect blood clot and also to detect blood flow to the organs.

Some Of The Common Types Of Ultrasound Examinations Are:

  • Doppler ultrasound – For evaluating blood flow
  • Musculoskeletal ultrasound - To examine any joint or muscle pain
  • Echocardiogram – To determine the effectiveness of heart's pumping ability
  • Obstetrical ultrasound - To monitor the development of the fetus
  • Pelvic ultrasound – To find cause of pelvic pain
  • Breast ultrasound - To examine any abnormal mass in the breast tissue
  • Vascular ultrasound – For detection of blood clot
  • Renal ultrasound – To examine kidneys and urinary tract
  • Thyroid ultrasound – To detect abnormality in the thyroid
  • Scrotal ultrasound – To investigate pain in the testicles
  • Abdominal ultrasound – To detect abnormalities in the abdominal organs
  • Interventional ultrasound - To guide the surgeon during biopsy or a minimally invasive operation
The ultrasound imaging equipment comprises of a transducer that directs a stream of high frequency sound waves into the body. As the sound waves get reflected from the body’s organs, the transducer records the minor changes in the pitch and direction of the sound. These changes are measured instantly and interpreted by the computer to create real time images on the monitor.

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