Eric Klein v. Norwalk Hospital

Summary

The court held that the plaintiff's expert disclosure adequately encompassed testimony excluding the defendant's alternative causation theory, so the trial court improperly precluded that testimony. The exclusion was harmful because the testimony was central to both breach and causation and was not cumulative, requiring a new trial. The court also held that the defendant failed to establish the reliability of its expert's diagnostic methodology under the applicable scientific-evidence standard.