Answer :

Positions the arm at waist level.

Heart level and arm level must coincide. The arm will read low if it is held above the level of the heart. The reading will be artificially elevated if the arm is placed below the heart. All other possibilities are legitimate ways to take reliable blood pressure readings.

Keep your legs uncrossed and place both of your feet flat on the ground. Place your arm on a table at chest level with the cuff still on. A snug but not too tight blood pressure cuff is important. Instead of covering clothing, the cuff should rest on your bare skin.

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