In the case of severe acute aortic insufficiency, all individuals should undergo surgery, if there are no absolute contraindications (for surgery). Individuals with bacteremia with aortic valve endocarditis should not wait for treatment with antibiotics to take effect, given the high mortality associated with the acute AI.
Where the ground rod is located far from the main electrical panel, thicker No. 3 wire may be required. In areas where codes require two ground rods because of high electrical resistance in the soil, the rods must be spaced at least 6 feet apart and interconnected by a buried jumper wire.
On one of your rods, make ten marks about 1/4 inch wide and one inch apart. You now have a Scale, on one of your rods, of ten units. Having located a water source, to find its depth, hold one rod about 5 degrees below the horizontal and mentally instruct it to swing to the left for No and to the right for Yes.