Tonometers
Frequently Asked Questions
What is the difference between automatic, semi-automatic, and manual blood pressure monitors?
An automatic monitor pumps air on its own and displays the results on the screen, a semi-automatic model requires manual inflation, while measuring pressure with a manual device is done by listening through a stethoscope and requires medical skills.
Which is better: an upper arm or a wrist blood pressure monitor?
An upper arm monitor is more accurate and reliable, especially for older adults. A wrist model is compact and convenient for travel, though vascular changes may make it relatively less precise.
What is an arrhythmia detector and why is it important?
This feature detects irregular heart rhythms during blood pressure measurement. It is important because it alerts you to arrhythmia in a timely manner and prevents errors in the pressure reading.
How do I choose the right cuff size for a blood pressure monitor?
Cuff size should be chosen based on upper arm circumference. An undersized or oversized cuff gives incorrect readings, so be sure to measure your arm thickness above the elbow before buying.
What rules should be followed to measure blood pressure accurately?
Rest for 5 minutes before measuring, sit upright, place your arm at heart level, and do not move or talk during the process. Also, avoid coffee, tobacco, and physical exertion 30 minutes prior to procedure.