Omron Hem-8712 BP Monitor

This is very significant difference between two arms if bp was taken properly. You need to consult cardiologist immediately and may require physical examination and 2decho.

Any automated blood pressure monitors have a error range of 5-10 mm of Hg. But you can trust them. So go for it.

It's better you go for mercury based sphygmomanometer. They are accurate. Consult online to know how to use. It’s very easy.

Omron bp apparatus is good. U haven't mentioned your age. If you r an adult, systolic blood pressure of 110-129 and diastolic blood pressure of 80-89 is good. Heart rate is taken normal as 70-110. Hope you will be satisfied.

Life style modification along with medication is need of the hour ,avoid minimal sugar ,salt, maida,fried, better to include two third fresh seasonal local fruits and vegetables in your major meals, regular walk to control bp.