Ultrasound uses sound waves to view organs and soft tissues. The probe is placed on the skin and images appear immediately, so the doctor can observe structures during the examination itself. No radiation is involved, the study is commonly used in children and during pregnancy.
It is requested for abdominal or pelvic symptoms, swelling, thyroid and joint problems, and routine pregnancy checks. The same method is used to observe fetal growth and position. A Doppler study is added when the blood flow in vessels or the heart needs assessment. Ultrasound may also guide needle placement during certain procedures.
The examination is performed on 2D/3D systems with a colour Doppler facility. A radiologist conducts the scan, while a cardiac echo is performed by a cardiologist.
Gel is applied over the area, and the probe is moved slowly to obtain different views. The test is usually completed within a short time and does not cause pain.
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