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Ultrasound equipment need a huge investment which may not be possible for a new practitioner to afford. For them, used ultrasound machine is the best solution. The biggest benefit with used ultrasound devices is that they are available at prices much lower than the new machines. Market factors bring down the price of the machine which is used or is not of the latest model.

Doppler ultrasound shows the blocked or reduced blood flow in the major arteries and veins such as those of arms, legs and neck. It can help in diagnosing deep vein thrombosis (blood clots in leg veins) which can cause pulmonary embolism (blocked blood flow to the lungs). It is also used to check the health of the fetus.

Medical technology is amazing. We have come so far in the advancement of modern medicine and the medical equipment that is used daily. A big part of medicine is diagnostic testing and one of the most common diagnostic tests that doctors use is an ultrasound. If you are a medical professional and searching for new equipment there are several things to consider before you purchase an ultrasound unit for sale.

Ultrasound image can be of four different types -- 2D, 3D, 4D and doppler ultrasound. Doppler ultrasound is a rage in the field of medical science due to its wide usage. Other than being a non-invasive procedure, it is better than X-ray which uses harmful ionizing radiation. This technique utilizes sound waves to measure the blood flow in different parts of the body.