According to the image you have Isolated Systolic Hypertension Isolated systolic hypertension is defined as systolic blood pressure above 140 mm Hg and diastolic blood pressure under 90 mm Hg. It's the most frequent type of hypertension in older adults. An estimated 15 percent of people 60 years or older have isolated systolic hypertension.
First of all try to get it rechecked by mercury based instrument.
Then get it checked atleast two times a day in both sitting and lying position, . BP differs in both hands also so compare it by taking in both hands.
Are you diabetic or with any urological(
kidney) problem,
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Next Steps
You should get it checked for at least 6-7 days . Then only you will be declared hypertensive.
Health Tips
Restrict salt intake in any form be snacks. No sprinkling of salt on curd, salads etc.