Transcranial Doppler (TCD) ultrasound is not only better than transesophageal echocardiography (TEE) at identifying patent foramen ovale (PFO), it also better predicts the risk of embolic events at 5 ...
An alternative test for measuring blood flow to the brain detected a potentially dangerous hole within the heart of some patients with an unexplained stroke better than a standard test, according to ...
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