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Internet Search Results
Doppler ultrasound: What is it used for? - Mayo Clinic
Doppler ultrasound is a noninvasive test that can be used to measure the blood flow through your blood vessels. It works by bouncing high-frequency sound waves off red blood cells that are circulating in the bloodstream. A regular ultrasound uses sound waves to produce images, but can't show blood ...
Deep vein thrombosis (DVT) - Diagnosis & treatment - Mayo Clinic
There are three main goals to deep vein thrombosis (DVT) treatment. Prevent the clot from getting bigger. Prevent the clot from breaking loose and traveling to the lungs. Reduce the chances of another DVT. DVT treatment options include: Blood thinners. These medicines, also called anticoagulants, help prevent blood clots from getting bigger. Blood thinners reduce the risk of developing more ...
Carotid ultrasound - Mayo Clinic
Carotid (kuh-ROT-id) ultrasound is a procedure that uses sound waves to look at blood flow through the carotid arteries. The carotid arteries are a pair of blood vessels on each side of the neck. They deliver blood from the heart to the brain. A carotid ultrasound also checks the thickness of the carotid artery wall and for blood clots.
Giant cell arteritis - Diagnosis and treatment - Mayo Clinic
Diagnosis Giant cell arteritis can be difficult to diagnose because its early symptoms resemble those of other common conditions. For this reason, your doctor will try to rule out other possible causes of your problem. In addition to asking about your symptoms and medical history, your doctor is likely to perform a thorough physical exam, paying particular attention to your temporal arteries ...
Peripheral artery disease (PAD) - Diagnosis and treatment - Mayo Clinic
Diagnosis To diagnose peripheral artery disease (PAD), a healthcare professional examines you. You are usually asked questions about your symptoms and medical history. If you have peripheral artery disease, the pulse in the affected area may be weak or missing. Tests Tests to diagnose peripheral artery disease (PAD) or check for conditions that cause it may include:
多普勒超声：其用途是什么？ - 妙佑医疗国际 - Mayo Clinic
多普勒超声通过测量音高（或者说频率）的变化率来估计血液流动的速度。由接受过超声成像培训的技术人员（称为超声医师）执行多普勒超声操作。超声医师用一个手持式小设备在所需检查的身体部位按压皮肤。根据需要将设备从一个部位移动到另一个部位。 进行这项检查，可能是为了替代血管 ...
Ultrasound - Mayo Clinic
Overview Diagnostic ultrasounds use sound waves to make pictures of the body. Ultrasound, also called sonography, shows the structures inside the body. The images can help guide diagnosis and treatment for many diseases and conditions. Most ultrasounds are done using a device outside the body. However, some involve placing a small device inside the body.
Aortic valve stenosis - Symptoms and causes - Mayo Clinic
Overview Aortic valve stenosis is a type of heart valve disease, also called valvular heart disease. The aortic valve is between the lower left heart chamber and the body's main artery, called the aorta. In aortic valve stenosis, the valve is narrowed and doesn't open fully. This reduces or blocks blood flow from the heart to the aorta and to the rest of the body.
Esophageal varices - Diagnosis and treatment - Mayo Clinic
The professional doing the endoscopy looks for dilated veins. If found, the enlarged veins are measured and checked for red streaks and red spots, which usually indicate a significant risk of bleeding. Treatment can be performed during the exam. Imaging tests. Both abdominal CT scans and Doppler ultrasounds of the splenic and portal veins can suggest the presence of esophageal varices. An ...
Churg-Strauss syndrome - Diagnosis & treatment - Mayo Clinic
Corticosteroids The main treatment for EGPA is a steroid called prednisone. This medicine helps lessen inflammation quickly. You may start on a high dose to get the condition under control. Then, your healthcare professional gradually lowers the dose to the smallest amount needed to keep your symptoms under control. Taking corticosteroids at high doses or for a long time can lead to serious ...
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