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.
Youâll then color each bowl of batter â for each color of your rainbow (I like to make them intense â bright colors!). Then pour each batter into a lined pan (see how I line mine here)â¦. Next youâll bake the layers for about 10-15 minutes each at 350 degrees. Then youâll need to let them cool completelyâ¦.