Add a few squirts of mild dish soap. Scrub the patio with a long-handled scrub brush and the soapy water. Rinse the soap off with water from the garden hose. Cover plants, grass and landscaping around the concrete slab with plastic sheeting if it is still dirty or stained.
When pseudarthrosis is caused by or results in a positive sagittal-plane deformity, correction is essential. This can be accomplished by lengthening the anterior column, shortening the posterior column, or both. The anterior column can be extended by adding a structural interbody graft to the area of concern (Fig.
The plaques of atherosclerosis cause the three main kinds of cardiovascular disease 1  : Coronary artery disease: Stable plaques in the heart's arteries cause angina (chest pain on exertion). 2  Sudden plaque rupture and clotting causes heart muscle to die. 3  This is a heart attack, or myocardial infarction.