2023年12月5日 · 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.

2024年3月12日 · Tricuspid valve regurgitation is a type of heart valve disease. The valve between the two right heart chambers doesn't close as it should.

2024年7月10日 · The aortic valve is between the lower left heart chamber and the body's main artery, called the aorta. Aortic valve calcification is a condition in which calcium builds up on the aortic valve.

2024年8月6日 · Uncontrolled high blood pressure is the most common cause of left ventricular hypertrophy. Complications include irregular heart rhythms, called arrhythmias, and heart failure.

2024年12月13日 · Overview. Median arcuate ligament syndrome, also called MALS, happens when the band of tissue in the upper belly area presses on the artery that sends blood to the stomach, spleen and liver.

2024年10月18日 · 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.

Feldman M, et al., eds. Intestinal ischemia. In: Sleisenger and Fordtran's Gastrointestinal and Liver Disease: Pathophysiology, Diagnosis, Management. 11th ed ...

2025年1月15日 · The ultrasound technician may use a Doppler ultrasound, which shows blood flowing through the arteries. In a Doppler ultrasound, the rate of blood flow is translated into a graph. There have been many advances in carotid ultrasounds to improve the quality and resolution of the images.

Endoscopic ultrasound is a procedure that combines endoscopy and ultrasound to create images of the digestive tract and nearby organs and tissues.

2005年6月11日 · A high white blood cell count usually means one of the following has increased the making of white blood cells: