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 …

قد يساعد التخطيط فوق الصوتي بالدوبلر على تشخيص كثير من الحالات المرضية، ومنها: الجلطات الدموية. ضعف الصمامات في أوعية الساق، ما يسبب تجمع الدم أو السوائل الأخرى في ساقيك (القصور الوريدي). عيوب صمامات القلب وأمراض القلب ...

Jul 12, 2025 · Doppler ultrasound. High-frequency sound waves help a healthcare professional see the arteries and kidneys and check how they work. This procedure also helps find if the …

Jul 3, 2025 · 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 …

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 …

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 …

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 …

Para determinar el índice tobillo-brazo, un profesional de atención médica mide la presión arterial en un tobillo y en un brazo. El índice tobillo-brazo puede ayudar a revisar si tienes la …

Mar 12, 2024 · The condition also may be called: Tricuspid regurgitation. Tricuspid insufficiency. Some people are born with heart valve disease that leads to tricuspid regurgitation. This is …

Aug 9, 2024 · Doppler ultrasound is a special type of ultrasound used to spot blocked or narrowed arteries. Angiography. This test uses imaging tests and a dye to look for blockages in the …