# Venous Ultrasound: VU

- Link: https://sifsof.com/clinical-apps/venous-ultrasound-vu/
- Published: 2019-11-14T10:08:18+00:00
- Author: Developer

Ultrasonography (US) is the most useful and widely used modality for evaluating
venous diseases. **Venous Ultrasound** is a procedure used to produce** images of
the veins in the body**. It is commonly used to search for blood clots, especially
in the veins of the leg – a condition often referred to as deep vein thrombosis.

This exam can be done on both legs or arms or a single leg or arm depending on the
area of concern.

A venous ultrasound study is also performed to determine the cause of long-standing
leg swelling. In people with a common condition called “varicose veins”, the valves
that normally keep blood flowing back to the heart may be damaged, and venous ultrasound
can help identify the damaged valves and abnormal blood flow.

In addition it aids in guiding placement of a needle or catheter into a vein. Sonography
can help locate the exact site of the vein and avoid complications, such as bleeding
or damage to a nearby nerve or artery. VU also helps map out the veins in the leg
or arm so that pieces of vein may be removed and used to bypass a narrowed or blocked
blood vessel.

 An example is using portions of vein from the leg to surgically bypass narrowed
heart (coronary) arteries. Further, VU is used to examine a blood vessel graft used
for dialysis if it is not working as expected; for example, the graft may be narrowed
or blocked.

In children, venous ultrasound is used to evaluate a connection between an artery
and a vein which can be seen in congenital vascular malformations (arteriovenous
malformations or fistula) and in dialysis fistula.

Here we may consider Doppler ultrasound as a special ultrasound technique that evaluates
movement of materials in the body. It allows the doctor to see and evaluate blood
flow through arteries and veins in the body

### **Which Doppler ultrasound scanner do doctors use for venous imaging?**

Since **5.0 MHz** is the frequency needed for vascular and 10 MHz is the ideal frequency
for superficial veins (venous ultrasound) examination, the **[SIFULTRAS-5.42](https://sifsof.com/product/double-head-wifi-color-ultrasound-scanner-sifultras-5-42-fda/)**
is the best option for detecting clots and aid in guiding placement of a needle 
or catheter into a vein but also map out the veins in the arm or leg.

A Doppler ultrasound can help determine the blood pressure within your arteries.
It can also show how much blood is currently flowing through your arteries and veins.

Besides, the **Venous Doppler Exam** can help the Doctor see the reduced or absent
blood flow to various organs or if it’s an increased blood flow,** which is a sign
of an infection**.

Doppler ultrasound images can help the physician to see and evaluate not only blockages
to blood flow (such as clots), narrowing of vessels, tumors and congenital vascular
malformations, increased blood flow, which may be a sign of infection but also reduced
or absent blood flow to various organs, such as the testes or ovary.

 The benefits of this procedure is that it is **safe and painless**. It gives a 
clear picture of **soft tissues** and** inner-organs** without the danger of radiation.

**Compared to Venography**, which requires injecting contrast material into a vein
to give it a contrast color on the monitor.

**Venous Doppler Exam** does not require any needle injection or intervention, only
the presence of a trained medical examiner and a **High Resolution Ultrasound Scanner**.

**References:** [Venous Ultrasonography](https://www.radiologyinfo.org/en/info.cfm?pg=venousus),
[veins: anatomy and basic approach](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5381851/)

Venous ultrasound is performed by a [radiologist](https://sifsof.com/product-category/doctor-specialties/radiologist/),
[cardiologist](https://sifsof.com/product-category/doctor-specialties/cardiologist/),
[emergency doctor](https://sifsof.com/product-category/doctor-specialties/emergency-medicine-specialist/),…

![](https://sifsof.com/wp-content/uploads/2020/01/venous-ultrasound-1024x576.jpg)

 * ![wireless ultrasound scanner](https://sifsof.com/wp-content/uploads/2023/06/
   SIFULTRAS-5.42-double-head-wireless-ultrasound-300x300.webp)
 * Color Double Head Wireless Ultrasound Scanner SIFULTRAS-5.42 FDA
 * ![Color Doppler 3 in 1 Wireless Ultrasound Scanner SIFULTRAS-3.31 main](https://
   sifsof.com/wp-content/uploads/2019/10/SIFULTRAS-3.31-main-picture-300x300.jpg)
 * Color Doppler 3 in 1 Wireless Ultrasound Scanner SIFULTRAS-3.31
 * ![Wireless 3 in 1 Ultrasound Scanner SIFULTRAS-3.3 Triple Headed: Convex, Linear
   and Cardiac Probe main pic](https://sifsof.com/wp-content/uploads/2019/09/SIFULTRAS-
   3.3-main-picture-1-300x300.jpg)
 * 3 in 1 Ultrasound Scanner SIFULTRAS-3.3 Triple Headed: Convex, Linear and Cardiac

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_Although the information we provide is used by different doctors and medical staff
to perform their procedures and clinical applications, the information contained
in this article is for consideration only. SIFSOF is not responsible neither for
the misuse of the device nor for the wrong or random generalizability of the device
in all clinical applications or procedures mentioned in our articles. Users must
have the proper training and skills to perform the procedure with each ultrasound
scanner device._

_The products mentioned in this article are only for sale to medical staff (doctors,
nurses, certified practitioners, etc.) or to private users assisted by or under 
the supervision of a medical professional. _