Non-Invasive Evaluation of Brain Blood Flow
Transcranial Doppler (TCD) ultrasound is a specialized, non-invasive test that assesses blood flow in the major arteries of the brain. This painless procedure is essential for detecting abnormalities in cerebral circulation that may contribute to conditions such as stroke, transient ischemic attacks (TIAs), and other neurological disorders. By using sound waves to measure blood velocity, TCD helps neurologists evaluate the risk of stroke, monitor changes in blood flow, and detect emboli or vasospasms in patients with conditions like sickle cell disease or subarachnoid hemorrhage. It is also used in screening for patent foramen ovale (PFO) through bubble studies, which help identify right-to-left cardiac shunts. TCD is particularly valuable in critical care settings, allowing real-time monitoring of cerebral circulation in patients with head injuries or other cerebrovascular conditions. This advanced diagnostic tool provides crucial insights, aiding in early detection and tailored treatment strategies for optimal brain health.
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