6 Types of Ultrasound Machines that You Should Be Aware of

Ultrasound or sonography refers to a noninvasive procedure that uses sound waves to create images in order for physicians to gain a better understanding of what is occurring within the body. Many are probably familiar with the ultrasound machines that are used to see a developing baby. However, there are different types of ultrasound techniques and different types of ultrasound machines, which are needed for various procedures.

Types of Ultrasound

• 2D ultrasound is one of the most common forms of the procedure. The pictures created involve two-dimensional images displayed in cross-sections. Obstetrics is one of the medical fields that make use of 2D ultrasound.
• 3D ultrasound projects three-dimensional images onto the screen. The images are created as the scanning device covers different angles of the exterior body. The machine then formulates the data received into the more advanced, realistic image.
4D ultrasound continually updates 3D images rapidly. The fourth dimension involves time, which is used to recreate highly realistic images in real-time.
1) Basic Ultrasound Machine
The basic device most often used is known as the transabdominal ultrasound machine. A transducer passes over the external abdominal region while emitting high-frequency waves that reflect off of internal body structures. The signals return to the transducer, which interprets them and transforms the data into the 2D images seen on the screen.
2) Breast Ultrasound
This device is used, especially to examine breast tissue. The method is often desired over diagnostic techniques that may involve radiation. The frequencies emitted by the transducer are highly sensitive, which provides detailed images that display small anomalies. Machines emitting Doppler signals might also be used to trace blood flow through the tissues to detect abnormalities.
3) Cardiac Ultrasound
The technique is also commonly called an echocardiogram. The machine was designed to create images of the heart and its structures. In addition, the method measures blood velocity using Doppler signals.
4) Doppler Ultrasound
The Doppler technique has also been used since a long time in the medical field. The method is preferred to measure blood flow throughout the cardiovascular system. The machine emits a signal that changes when movement is detected. The signal is typically higher for structures closer to the transducer and lower in pitch for structures further away.
5) Portable Ultrasound
Sometimes a physician might require that an ultrasound be performed on a hospitalized patient at the bedside. In this instance, a portable machine makes the method convenient for the technician and the patient. The machines are typically kept on a cart that easily moves from one location to another. In addition to providing live images, the machine records the data for later viewing as well.
6) Transrectal/Transvaginal Ultrasound
A transrectal device has a transducer designed for insertion into a patient's rectum to determine possible abnormalities. The technique is often used on men to view the pelvic region to diagnose disease processes in the productive system. The transvaginal machine requires inserting a specially designed transducer into the vagina to produce images in a patient who may be too overweight to undergo traditional techniques. The method might also be used to detect abnormal fetal development, ectopic pregnancies, or growing fetuses beyond the womb.
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