Mechanical thrombectomy and clot-busting drugs treat the same problem in different ways. Drugs dissolve a clot chemically. Thrombectomy removes it physically, using a catheter threaded up to the blocked artery. The distinction matters because the two are suited to...

A dural arteriovenous fistula and a brain AVM are not the same condition. A dAVF is a faulty link between an artery and a vein in the membranes covering the brain, and it usually develops later in life. An AVM sits within brain tissue and is present from birth. The...

Management of acute ischemic stroke begins with rapid symptom recognition, emergency brain imaging and timely treatment to restore blood flow. Acute ischemic stroke occurs when a clot blocks blood flow to part of the brain. The affected tissue begins losing oxygen, so...