Background and Clinical Significance: Low NIHSS strokes with large vessel occlusion (LVO) may initially appear benign despite a substantial risk of early neurological deterioration (END). Nearly one-quarter of patients with mild ischemic stroke have underlying LVO. The role of reperfusion therapies in this setting remains controversial, making therapeutic decision making particularly challenging. Case Presentation: A 41-year-old woman presented with acute left hemiparesis upon awakening. Initial neurological examination revealed a National Institutes of Health Stroke Scale (NIHSS) score of 6. CT angiography demonstrated M1 occlusion of the right middle cerebral artery (MCA). However, complete spontaneous resolution of the neurological deficits occurred within minutes, resulting in an NIHSS score of 0. MRI performed 6.5 hours after symptom discovery revealed a small right insular infarction with persistent distal M1 occlusion. Cardiac investigations revealed atrial fibrillation associated with severe rheumatic mitral stenosis. Considering the complete clinical recovery and uncertain benefit-risk balance of reperfusion therapy, conservative management with early anticoagulation was chosen. The patient was discharged with a modified Rankin Scale (mRS) score of 1, which remained stable at 3-month follow-up. Conclusion: Minor strokes associated with LVO remain a major therapeutic dilemma because the indication for reperfusion therapy remains debated. Current evidence suggests that management should be individualized and guided by clinical presentation, advanced imaging findings, and predictive markers of early neurological deterioration.