1 Just the Redi-mix concrete delivered for a 50x20-foot porch slab could run $1,000-$2,000; hiring someone to install a 50x20-foot slab could be $3,000-$6,000 or more, depending on location and the complexity of the project. OneProjectCloser.com explains how to pour a simple do-it-yourself 4x4-foot concrete slab porch using lumber and bags of concrete, with about $50-$120 worth of concrete, lumber and rebar.
The most apparent signs and symptoms of a carotid artery blockage include a transient ischemic attack, bruit and a stroke, according to the National Heart, Lung, and Blood Institute.
Carotid artery disease in itself has no symptoms. It is only when blood flow to parts of the brain is decreased that the diagnosis is made. Decreased blood supply to the brain may result in either a TIA (transient ischemic attack) or stroke (CVA, or cerebrovascular accident).