After Joey's mugger is hit by the car and is lying on the street, his arms are bent. When the camera looks down on him, one arm is straight out, then when Joey approaches him, both arms are straight.
When Joey is leaving the hospital, the nurse leaving the side room, exits twice. Once when Joey is walking towards the door, and again when the angle is shown from behind.
As Joey's mugger tries to light a cigarette, he offers one to Joey. She turns him down, citing her Mom's lung cancer as the reason. But in actuality, her Mom died of breast cancer.