Sift together flour and baking powder, set aside. Beat together the egg, milk, salt and artificial sweetener in a bowl. Stir in flour until just moistened, add blueberries, and stir to incorporate.
Preheat a heavy-bottomed skillet over medium heat, and spray with cooking spray. Pour approximately 1/4 cup of the batter into the pan for each pancake. Cook until bubbly, about 1 1/2 minutes. Turn, and continue cooking until golden brown.