Doppler Ultrasound

A Doppler ultrasound is a noninvasive test that can be used to estimate the blood flow through your blood vessels by bouncing high-frequency sound waves (ultrasound) off circulating red blood cells. A regular ultrasound uses sound waves to produce images, but can't show blood flow.


A Doppler ultrasound may help diagnose many conditions, including:

  • Blood clots
  • Poorly functioning valves in your leg veins, which can cause blood or other fluids to pool in your legs (venous insufficiency)
  • Heart valve defects and congenital heart disease
  • A blocked artery (arterial occlusion)
  • Decreased blood circulation into your legs (peripheral artery disease)
  • Bulging arteries (aneurysms)
  • Narrowing of an artery, such as in your neck (carotid artery stenosis)

A Doppler ultrasound can estimate how fast blood flows by measuring the rate of change in its pitch (frequency). During a Doppler ultrasound, a technician trained in ultrasound imaging (sonographer) presses a small hand-held device (transducer), about the size of a bar of soap, against your skin over the area of your body being examined, moving from one area to another as necessary.

This test may be done as an alternative to more-invasive procedures, such as angiography, which involves injecting dye into the blood vessels so that they show up clearly on X-ray images.

A Doppler ultrasound test may also help your doctor check for injuries to your arteries or to monitor certain treatments to your veins and arteries.

Sheldon G. Sheps, M. D. (2019, December 31). Doppler ultrasound: What is it used for? Mayo Clinic. https://www.mayoclinic.org/doppler-ultrasound/expert-answers/faq-20058452.

https://www.mayoclinic.org/doppler-ultrasound/expert-answers/faq-20058452

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Wallach Fetal2EMR 902300 Fetal Monitor and Accessories - MEDPROSHOP
Translation missing: en.products.product.regular_price $ 4,279.44

Our new Fetal2EMR system combines the latest in twins fetal heart rate monitoring technology with seamless electronic medical records integration. Recorded traces can be transferred to a PC using Wallach’s Insight software via USB Cable, USB flash drive or ethernet cable. These traces can then be converted to PDF for easy access across platforms or moved into an EMR system.

Fetal monitor and accessories including FHR probes/ultrasound transducer (2), toco probe, thermo paper (3), event marker, belts (3), ultrasound gel, fuses (2), power cord, ground cable, screwdriver, instruction manuals (UL listed).

  • Three ways to transfer data—Ethernet, USB, or USB flash drive
  • Bright color monitor with multiple views
  • Built-in thermoprinter
  • Insight software to move data to EMR (optional)
  • 12 hour memory
Translation missing: en.products.product.regular_price $ 4,279.44

Our new Fetal2EMR system combines the latest in twins fetal heart rate monitoring technology with seamless electronic medical records integration. Recorded traces can be transferred to a PC using Wallach’s Insight software via USB Cable, USB flash drive or ethernet cable. These traces can then be converted to PDF for easy access across platforms or moved into an EMR system.

Fetal monitor and accessories including FHR probes/ultrasound transducer (2), toco probe, thermo paper (3), event marker, belts (3), ultrasound gel, fuses (2), power cord, ground cable, screwdriver, instruction manuals (UL listed).

  • Three ways to transfer data—Ethernet, USB, or USB flash drive
  • Bright color monitor with multiple views
  • Built-in thermoprinter
  • Insight software to move data to EMR (optional)
  • 12 hour memory
Wallach LifeDop 150 Series Vascular Dopplers - MEDPROSHOP
Translation missing: en.products.product.regular_price $ 583.80

These handheld, non-display Dopplers for vascular assessment offer superior sound quality and function with the full line of non-directional LifeDop® probes. Rechargeable batteries and audio recording options are available on certain models.

Available with 2,4,5 & 8 MHz Probes

Translation missing: en.products.product.regular_price $ 583.80

These handheld, non-display Dopplers for vascular assessment offer superior sound quality and function with the full line of non-directional LifeDop® probes. Rechargeable batteries and audio recording options are available on certain models.

Available with 2,4,5 & 8 MHz Probes

Wallach LifeDop 150 Series Vascular Dopplers with Audio Recorder - MEDPROSHOP
Translation missing: en.products.product.regular_price $ 690.92

These handheld, non-display Dopplers for vascular assessment offer superior sound quality and function with the full line of non-directional LifeDop® probes. Rechargeable batteries and audio recording options are available on certain models.

Available with 2,3,4,5 & 8 MHz Probes

Translation missing: en.products.product.regular_price $ 690.92

These handheld, non-display Dopplers for vascular assessment offer superior sound quality and function with the full line of non-directional LifeDop® probes. Rechargeable batteries and audio recording options are available on certain models.

Available with 2,3,4,5 & 8 MHz Probes

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