Flash Fiction: Family Conflict

KB has said I should try my hand at this, so here is my first attempt at flash fiction. Let me know what you think:

The sound of flesh hitting flesh echoed through the house. A scream followed, high-pitched, hurting the ears, then shuffling footsteps. A screen door squeaked open and an old man shuffled out. He said over his shoulder, “I am going to tell the nurse you hit me.” An old woman stood in the doorway with a smile on her face, “Then you shouldn’t have smacked my buttocks.”