Following a motor-vehicle accident (MVA), it is critical for clinicians to recognize Acute Stress Disorder (ASD), a psychiatric injury that can be a strong predictor of future Post-Traumatic Stress Disorder (PTSD). ASD is diagnosed when a patient experiences significant stress symptoms for a period of three days to one month after a traumatic event. The diagnosis requires the presence of at least nine of fourteen specific symptoms listed in the DSM-IV. These symptoms are grouped into five categories: intrusions (e.g., recurrent memories, flashbacks), negative mood (an inability to feel positive emotions), dissociative symptoms (e.g., altered sense of reality), avoidance (of trauma-related thoughts or reminders), and arousal (e.g., sleep disturbances, hypervigilance, exaggerated startle response). Studies have shown a strong correlation between these two conditions, with 50% to 78% of MVA patients initially diagnosed with ASD going on to develop PTSD within six to eight months. Therefore, identifying ASD in its early stages is crucial for providing timely intervention and potentially mitigating the progression to the more chronic and debilitating condition of PTSD.