1. Use validated automated monitors or, if not available, calibrated aneroid devices.
2. Measure blood pressure in a quiet place.
3. Follow the protocol below:
— Don´t have a conversation. Talking or active listening adds up to 10 mmHg
— Support arm at heart level. Unsupported arm adds up to 10 mmHg
— Put the cuff on bare arm. Thick clothing adds up to 5-50 mmHg
— Use correct cuff size. Cuff too small adds up to 2-10 mmHg
— Support feet. Unsupported feet adds up to 6 mmHg
— Keep legs uncrossed. Crossed legs adds up to 2-8 mmHg
— Have empty bladder. Full bladder adds up to 10 mmHg
— Support back. Unsupported back adds to mmHg