Why are my blood pressure measurements different each time?

Why do my blood pressure measurements differ between the mercury sphygmomanometer at the hospital and the electronic blood pressure monitor at home?

What is the best time for blood pressure measurement?

How can one tell if someone has hypertension?

What should be noted during blood pressure measurement?

What are the three checks to be done before measuring blood pressure?

Why do I feel pain and numbness when the cuff is wrapped around my arm?

Is it true that the accuracy of a wrist blood pressure monitor is not as good as an arm blood pressure monitor? How can this be explained?

Why does the blood pressure monitor sometimes re-inflate during measurement?

Why is the left hand recommended for blood pressure measurement?

Why do the batteries we buy run out quickly?

Why can't the device connect sometimes?