Hi Jan,
Yes, it's likely the sudden rise in blood pressure was related to your accident (pain can cause blood pressure spikes). However, since it has not returned to previous levels I encourage you to make a few diet/lifestyle changes to promote a lower blood pressure. Here's a post you may want to review:
High Blood Pressure: 9 Steps to Rein in Skyrocketing Numbers
All the best,
Lisa Nelson RD
7 Natural Ways to Lower Blood Pressure
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