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.
You will need 6 of the churndash blocks for each placemat. In order to enable easy matching of the seams for each block, we will go against the normal press towards the dark routine. Thus, press 1/2 of the blocks with the seams going towards the dark and the other half with seams going towards the lighter fabric. (You will need to keep this in mind when assembling the churn dash blocks.) For each placemat, you will make 2 rows of 3 blocks each.