1 Normal inferior vena cava diameter: 1.5 to 2.5 cm. 2  Less than 50% change in diameter with normal respiration or with a sniff. 3  Elevated Right Atrial Pressure: 4  Dilated inferior vena cava. 5  Dilated hepatic veins. 6  Little or no respiratory change in caval diameter.
Depending on how much money you earn, you may not pay Social Security taxes on your entire income. That's because a cap is set each year on the amount of income subject to Social Security taxes. Last year, that limit was $118,500, but in 2017, it jumped to $127,200.
Social Security taxes provide benefits for retirees and disabled workers. As of 2012, the tax rate for Social Security is 4.2%. There is a limit on the amount of income subject to Social Security tax each year.The limit was $110,100 in 2012, according to the U.S. Internal Revenue Service.our gross pay is the amount you actually earn. Your take-home pay is your gross pay minus various deductions including taxes such as Social Security, Medicare and your federal and state income tax withholding.