Nine of the devices offered blood pressure cuffs that ranged in size from 8.7 inches to 16.5 inches. However, millions of people have an arm circumference that falls outside this range.

Marki Williams/NYT Wirecutter Panelists considered the monitors’ display size and readability ... Inside each cuff is a bladder that inflates and deflates to take your blood pressure.

Additionally, ensure that your bladder is empty, as a full one can temporarily raise blood pressure. Discussing how the cuff should be tied, Dr Mohan says it should be a snug fit, approximately an ...