Doppler ultrasound: What is it used for? - Mayo Clinic
2023年12月5日 · Answer From Sheldon G. Sheps, M.D. 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 flow.
Echocardiogram - Mayo Clinic
2023年1月31日 · Transthoracic echocardiogram, also called a TTE. This is a standard echocardiogram. It's also called a heart ultrasound. It's a noninvasive way to look at blood flow through the heart and heart valves. A TTE creates pictures of the heart from outside the body. Dye, called contrast, may be given by IV.
Renal artery stenosis - Diagnosis and treatment - Mayo Clinic
2022年5月3日 · Renal angioplasty and stenting. In this procedure, doctors widen the narrowed renal artery and place a device (stent) inside your blood vessel that holds the walls of the vessel open and allows for better blood flow. Renal artery bypass surgery. During a bypass procedure, doctors graft a substitute blood vessel to the renal artery to make a new ...
Claudication - Diagnosis & treatment - Mayo Clinic
2022年3月2日 · Treatment. The goals of treating claudication and peripheral artery disease are to reduce pain and manage the risk factors that contribute to heart and blood vessel (cardiovascular) disease. Exercise is an important part of claudication treatment. Exercise reduces pain, increases exercise duration, improves vascular health in the affected limbs ...
Carotid ultrasound - Mayo Clinic
2023年1月12日 · Carotid (kuh-ROT-id) ultrasound is a safe, noninvasive, painless procedure that uses sound waves to examine the blood flow through the carotid arteries. It also evaluates the thickness of the carotid artery wall and checks for clots. One carotid artery is located on each side of the neck. These arteries deliver blood from the heart to the brain.
Ultrasound - Mayo Clinic
2024年5月3日 · 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
2 天之前 · Not gaining enough weight. Aortic valve stenosis may lead to heart failure. Heart failure symptoms include extreme tiredness, shortness of breath, and swollen ankles and feet. If you have an irregular heartbeat or other symptoms of aortic valve stenosis, make an appointment with your healthcare professional.
Dilated cardiomyopathy - Symptoms & causes - Mayo Clinic
2022年5月4日 · Signs and symptoms of dilated cardiomyopathy may include: Fatigue. Shortness of breath (dyspnea) during activity or while lying down. Reduced ability to exercise. Swelling (edema) in the legs, ankles, feet or belly (abdomen) Chest pain or discomfort. Fast, fluttering or pounding heartbeat (palpitations)
Erectile dysfunction - Diagnosis and treatment - Mayo Clinic
2022年3月29日 · Oral erectile dysfunction medications are not aphrodisiacs, will not cause excitement and are not needed in people who get normal erections. The medications vary in dosage, how long they work and side effects. Possible side effects include flushing, nasal congestion, headache, visual changes, backache and stomach upset.
Arteriosclerosis / atherosclerosis - Symptoms and causes
Atherosclerosis is a specific type of arteriosclerosis. Atherosclerosis is the buildup of fats, cholesterol and other substances in and on the artery walls. This buildup is called plaque. The plaque can cause arteries to narrow, blocking blood flow. The plaque also can burst, leading to …