IOWA WORKERS’ COMPENSATION REFRESHER: CARDIOVASCULAR INJURIES
Legal Causation is established under any of the following elements:
- When heavy exertions ordinarily required by the job are superimposed on a defective heart, thereby aggravating or accelerating the previous condition;
- Unusually strenuous employment exertion is superimposed on a pre-existing diseased condition; or
- Damage results from continued exertion required by employment after the onset of heart attack symptoms.
The Iowa Supreme Court has also recognized that continued exertions from work that aggravate a heart attack may be compensable. Sondag v. Ferris Hardware, 220 N.W.2d 903 (Iowa 1974). However, if there is some personal causal contribution, the exertion through the course of employment must be greater than the exertion from non-employment related activities. Id.