Ejection Fraction The Lower the Number, the Higher the Risk. Ejection fraction, or EF, is the percentage of blood that is pumped out of the heart during each beat. Doctors often use EF to determine how healthy your heart is and how well it is functioning as a pump. A low EF number is a serious health risk.
To really get your costume looking right, try to get an aqua-blue hooded sweatshirt, t-shirt, or tank-top to turn into your Rainbow Dash costume. You don't really need to do anything to the shirt to make a costume out of it, just make sure it's the right color. With your wig, it'll start looking a lot like Rainbow Dash.
Pick the dress up, squeeze it out, and place it into the color in a different configuration, squeezing the fabric paint through the fabric until it is soaked. Then, lay the dress out flat on the lawn, or hang it from a line, and allow it to dry. You will see that the color is not smooth and even.