How do You Read Blood Pressure?

You need to place the cuff on the arm firmly. Pump the cuff up to 180 or 200 and then gently let the air out in slow increments of 5mg or so. When you hear the thumping sound in the stethescope, note that number. Now let out the air quicker and note the number where the thumping sound goes away. The first number is the top and the last one your bottom. You can find more information here: