Cut the black zebra stripes out of the picture with a sharp utility knife. Work carefully, cutting through both the acetate and the paper. Stop cutting when you reach the lines at the top and bottom of the paper, and cut horizontally along the lines to remove the black stripes. Paint your stripes in another color if it suits your aesthetic better. 2  If you want traditional, black-and-white zebra stripes, apply the stencil to a white wall.
Tests and diagnosis. Your doctor can often diagnose dehydration on the basis of physical signs and symptoms such as little or no urination, sunken eyes, and skin that lacks its normal elasticity and resilience when pinched. Blood tests. 2  Blood samples may be used to check for a number of factors, such as the levels of your electrolytes â especially sodium and potassium â and how well your kidneys are working. 3  Urinalysis.
Things like thirst, changes in vision, and physical pain can indicate dehydration. If you are severely dehydrated, to the point you're experiencing things like a rapid heartbeat, see a doctor right away. In the future, change your habits to prevent dehydration.