How to Estimate Mileage for the Tax Year. Maximizing tax deductions helps reduce the overall tax bill you might pay. The Internal Revenue Service announced a standard deduction rate increase for the tax year 2011. Deductions can be taken for business, medical, moving or volunteer mileage.his averages 2,400 miles a year in work mileage. If you moved for a new job to another state, you can estimate the drive from your previous home location to the new home location. Many GPS direction programs provide you with a street by street mileage with the total trip summary.
Orthostatic hypotension, also known as postural hypotension or shortened to orthostasis and colloquially called head rush, occurs when a person's blood pressure falls when suddenly standing up from a lying or sitting position.
General Discussion. Orthostatic hypotension (OH) is a common condition characterized as a drop in blood pressure that occurs when a person stands up. OH can cause lightheadedness, dizziness or even causing a person to faint. Symptoms can also be subtle or absent. By definition, the drop in blood pressure must be greater than 20mm Hg of mercury in systolic BP and/or more than 10 mm of mercury in diastolic BP within 3 minutes upon standing from sitting or from a lying down face-up (supine) position. There are numerous, varied causes of OH.