Oklahoma Measure Of Damages-Aggravations of Pre-Existing Conditions is a law that allows a plaintiff to seek damages for aggravations or worsening of an existing condition due to the negligence of a defendant. This law applies to both personal injury cases and medical malpractice cases. There are two types of Oklahoma Measure Of Damages-Aggravations of Pre-Existing Conditions: 1. Traditional Aggravation — This type of damage is claimed when the defendant's negligence has caused a physical aggravation of an existing condition. For example, if a plaintiff's pre-existing spinal injury has been worsened due to the negligence of a defendant, this type of damage may be claimed. 2. Compensatory Aggravation — This type of damage is claimed when the defendant's negligence has caused a psychological aggravation of an existing condition. For example, if the plaintiff's pre-existing mental illness has been worsened due to the negligence of a defendant, this type of damage may be claimed. The purpose of this law is to ensure that plaintiffs are fairly compensated for any aggravations or worsening of an existing condition caused by a defendant's negligence.