Doppler scans are non-invasive ultrasound procedures that assess blood flow in veins, arteries, and the heart. Using the Doppler effect, this method detects frequency changes in sound waves reflected from moving blood cells, helping identify blockages, clots, and blood vessel abnormalities. Unlike standard ultrasounds that produce images, Doppler scans focus on blood movement, making them essential for diagnosing conditions like deep vein thrombosis (DVT) and peripheral arterial disease (PAD). They are widely used in pregnancy to monitor the baby’s health and placental blood flow. Safe and radiation-free, Doppler scans provide critical insights into vascular health and fetal well-being.
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