Ischemic stroke is the most common cerebrovascular disease. and vascular obstruction is an important cause of this disease. As the main method for the management of carotid artery stenosis. carotid endarterectomy (CEA) is an effective and preventive treatment measure in ischemic cerebrovascular disease. https://www.roneverhart.com/Mesa-Boogie-Rectifier-4x12-Cabinet-Standard-Straight-p31703/