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Welch Allyn Home Blood Pressure Monitor
Factors that could cause inaccurate
measurements
• Cuff position is poor
• Cuff is too loose or too tight
• Cuff is applied over clothing rather
than on a bare upper arm
• Taking a measurement within 1 hour
of eating or drinking
• Taking a measurement within 20
minutes of taking a bath
• Being in a cold environment
• Taking a measurement immediately
after smoking or drinking
caffeinated beverages
• Taking a measurement while talking
or moving your fingers
• Taking a measurement when you
need to urinate
• Taking measurements in rapid
succession
Factors that promote accurate blood
pressure measurements
• Proper cuff position on the upper
arm
• Proper cuff tightness
• No clothing under the cuff or
restricting circulation above the cuff
• Proper posture: feet flat on the floor,
back straight, legs uncrossed, arm
resting on a flat surface, upper arm
at heart level
• Relaxing or sitting still for a few
minutes after positioning the cuff
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