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.
Create the ribbon. Now is the time to get creative and make your cheer bow flashy. If you want to add sequins, glitter or other decorations, use a hot glue gun to attach it to the ribbon. Allow everything to dry.Tie the ribbon in a tight bow. Make sure it is exactly the way you want it because this is how the ribbon will look once it is attached to the hardware. Attach the ribbon to the hardware. Use your hot glue gun to attach the ribbon to the barrette or ponytail elastic.llow everything to dry. Tie the ribbon in a tight bow. Make sure it is exactly the way you want it because this is how the ribbon will look once it is attached to the hardware. Attach the ribbon to the hardware. Use your hot glue gun to attach the ribbon to the barrette or ponytail elastic.