Doppler ultrasound
Doppler ultrasound is a medical imaging technique that uses sound waves to visualize blood flow in blood vessels and internal organs. It allows doctors to see the direction and speed of blood that is moving through veins and arteries. Doppler is very useful for diagnosing problems such as vascular obstructions, heart abnormalities, problems with blood circulation and blood clots. The exam is performed using a transducer that emits sound waves to the location to be examined. The sound waves are reflected back to the transducer and converted into images that show the movement of blood. Doppler Ultrasound is a non-invasive and painless exam that can be performed quickly at the Medic Clinic.
Some diseases diagnosed by doppler.
Some diseases that can be diagnosed using Doppler ultrasound include:
- Vascular diseases such as atherosclerosis, thrombosis, embolism and aneurysm
- Liver diseases such as portal hypertension and hepatic steatosis
- Kidney diseases, such as nephropathy and obstruction of the urinary ducts
- Obstetric diseases such as ectopic pregnancies, placenta previa, and obstruction of the uterine arteries
- Thyroid diseases such as nodules and hyperthyroidism
- Soft tissue diseases, such as tendinopathies and muscle injuries.
- Saphenous vein diseases such as chronic venous insufficiency and deep vein thrombosis
- Peripheral arterial diseases such as atherosclerosis and arterial occlusion
- Cerebral vascular diseases such as atherosclerosis, thrombosis and embolism
- Thyroid diseases such as subacute thyroiditis and Hashimoto's thyroiditis
- Gynecological diseases such as fibroids and endometriosis
- Gallbladder diseases such as cholelithiasis and cholangitis
- Bladder diseases such as urinary infections and urinary incontinence.
It is important to highlight that Doppler ultrasound is only a complementary exam and the final diagnosis must be based on a comprehensive clinical evaluation and other complementary exams, such as x-ray, among others.
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Why should I have a Doppler ultrasound exam?
Doppler ultrasound is a non-invasive exam that can be used to evaluate blood flow in different organs and structures of the body, such as blood vessels, heart, kidneys, thyroid, gallbladder, among others. Some of the main reasons you may be asked to take the exam include:
- Suspected vascular disease, such as thrombosis, embolism, aneurysm, among others
- Monitoring of heart diseases, such as heart failure, valvular heart disease, cardiomyopathies, among others
- Monitoring of liver diseases, such as portal hypertension, cirrhosis, hepatic steatosis, among others
- Monitoring of kidney diseases, such as nephropathy, obstruction of the urinary ducts, among others
- Pregnancy monitoring, to assess fetal development and identify possible complications
- Assessment of thyroid diseases, such as nodules, hyperthyroidism, thyroiditis, among others
- Assessment of soft tissue diseases, such as tendinopathies, muscle injuries, among others.
Doppler ultrasound can be a useful and informative test for diagnosing and monitoring various diseases. However, it is important to highlight that the test result must be interpreted by a specialist doctor, together with other complementary tests, for an accurate and reliable diagnosis.

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