Electronic Blood Pressure Monitors May Be Overestimating Readings202

Introduction

Electronic blood pressure monitors are a convenient and widely used method of measuring blood pressure at home. However, a recent study has found that some of these devices may be overestimating readings, potentially leading to incorrect diagnoses and treatment decisions.

The Study

The study, published in the journal Hypertension, involved over 1,000 adults who had their blood pressure measured using both an electronic blood pressure monitor and a traditional sphygmomanometer (a device that uses a stethoscope and an inflatable cuff). The researchers found that the electronic blood pressure monitors overestimated readings by an average of 3.5 mmHg for systolic pressure (the top number) and 2.5 mmHg for diastolic pressure (the bottom number).

The Impact

This overestimation may have a significant impact on the diagnosis and treatment of hypertension. For example, a person with a true systolic blood pressure of 135 mmHg may be diagnosed with stage 1 hypertension (130-139 mmHg) based on an electronic blood pressure monitor reading. This could lead to unnecessary treatment, such as medication or lifestyle changes.

The Causes

There are several potential causes for the overestimation of readings by electronic blood pressure monitors. One possibility is that the devices are not calibrated properly. Another possibility is that the devices are not used correctly. For example, the cuff may not be the right size for the person's arm, or the person may not be in the correct position when the measurement is taken.

The Recommendations

In light of these findings, it is important to use electronic blood pressure monitors with caution. The American Heart Association (AHA) recommends that people with hypertension have their blood pressure measured by a healthcare professional before using an electronic blood pressure monitor at home. The AHA also recommends that people follow the manufacturer's instructions carefully when using an electronic blood pressure monitor.

Conclusion

Electronic blood pressure monitors can be a convenient and useful way to measure blood pressure at home. However, it is important to be aware of the potential for overestimation. By using these devices with caution and following the AHA's recommendations, people with hypertension can ensure that they are getting accurate blood pressure readings.

2024-11-02

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