Jul 3, 2025 · 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 …

Jan 15, 2025 · 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 …

Oct 4, 2023 · La ecografía Doppler es una prueba no invasiva que puede usarse para medir el flujo de sangre que pasa por los vasos sanguíneos. Funciona emitiendo ondas sonoras de …

Jun 24, 2023 · Look at ultrasound images and learn how to understand what you're seeing.

Nov 12, 2024 · This chamber is the heart's main pumping area. Doppler echocardiogram. Sound waves change pitch when they bounce off blood cells moving through the heart and blood …

May 3, 2024 · 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 …

Jan 5, 2024 · SPECT scans involve two steps: receiving a radioactive injection, called a tracer, and using a SPECT machine to scan a certain area of your body. Receiving a radioactive …

Apr 2, 2024 · An electrocardiogram (ECG or EKG) is a quick test to check the heartbeat. It records the electrical signals in the heart. Test results can help diagnose heart attacks and …

The ankle-brachial index test is a quick, simple way to check for peripheral artery disease (PAD). The disease happens when narrowed arteries reduce the blood flow to the arms or legs. PAD …

Doppler ultrasound. A healthcare professional may use a special ultrasound device to check blood flow at different points in your body. The test results show the speed of blood flow in the …