Nearly half of patients who have heart attacks present with sudden death as their first symptom.

Analysis

The claim is appealing because it taps into a common fear that heart attacks can strike without warning, leading readers to believe they are more vulnerable than statistics suggest. Media outlets often amplify striking percentages to attract attention, and the phrase "first symptom is their last" is dramatic and memorable. However, the nuance is that while sudden cardiac death is a serious and relatively common outcome, it does not affect half of all myocardial infarction patients; most experience warning signs that can prompt timely medical intervention. Emphasizing an inflated figure may cause unnecessary anxiety and could discourage people from seeking routine preventive care, believing that early symptoms are rarely present. Accurate information helps readers understand the actual risk and the importance of recognizing early warning signs such as chest discomfort, shortness of breath, or atypical symptoms, which can improve survival rates.