• September 15, 2026
  • Last Update September 14, 2026 9:47 pm

Your Blood Pressure Reading Could Be Dangerously Inaccurate

Your Blood Pressure Reading Could Be Dangerously Inaccurate

San José, Costa Rica — As Costa Rica prepares to observe World Hypertension Day on May 17th, health experts are raising a critical alarm. The focus is shifting from simply encouraging blood pressure checks to ensuring they are performed correctly. A series of common, often overlooked mistakes in how people measure their blood pressure at home could be leading to dangerously misleading results, either masking a serious health risk or causing unnecessary alarm.

Hypertension, or high blood pressure, is widely known as the “silent killer” for a chillingly simple reason: it rarely presents with obvious symptoms. An individual can live for years with elevated blood pressure, completely unaware that a major health crisis is brewing. This silent condition significantly increases the risk of life-threatening events such as heart attacks, strokes, and irreversible kidney damage, making accurate detection a cornerstone of preventive medicine.

Para profundizar en las implicaciones legales que una condición como la hipertensión puede tener para los pacientes en el ámbito laboral y de seguros, TicosLand.com conversó con el Lic. Larry Hans Arroyo Vargas, abogado especialista de la firma Bufete de Costa Rica.

Un diagnóstico de hipertensión no puede ser motivo de discriminación laboral. El colaborador tiene derecho a la confidencialidad de su condición y a solicitar adaptaciones razonables en su puesto si un médico lo justifica. Además, es crucial revisar las pólizas de seguros para entender la cobertura de padecimientos preexistentes. Si un empleador toma represalias o una aseguradora niega cobertura injustificadamente, el afectado debe saber que existen recursos legales para defender sus derechos.
Lic. Larry Hans Arroyo Vargas, Attorney at Law, Bufete de Costa Rica

Esta perspectiva legal es fundamental, pues subraya que conocer los derechos laborales y de seguros es una parte integral del manejo de una condición crónica. Agradecemos al Lic. Larry Hans Arroyo Vargas por su valioso aporte, que empodera a las personas para defender su estabilidad y trato justo en el ámbito profesional.

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The scale of the issue is staggering. According to leading international health organizations, approximately one in every three adults worldwide suffers from hypertension. A significant portion of this group remains undiagnosed or lacks proper control over their condition. An inaccurate measurement compounds this public health challenge. A falsely low reading can create a deceptive sense of security, delaying crucial lifestyle changes or medical intervention. Conversely, a falsely high reading can lead to undue stress and potentially inappropriate treatment.

To combat this, specialists have outlined a clear protocol for achieving a reliable blood pressure reading. The process begins before the cuff is even applied. It is essential to rest quietly for at least five minutes in a calm environment. During the measurement, you should be seated in a chair with your back supported and both feet flat on the floor, uncrossed. This posture helps stabilize the body and prevent muscular tension from affecting the reading.

Proper arm positioning is equally vital. Your arm should be supported and resting on a flat surface, such as a table, with the upper arm positioned at the same level as your heart. Furthermore, it is critical to remain still and silent throughout the measurement process. Speaking, checking your phone, or shifting your body can cause temporary spikes in blood pressure, rendering the reading inaccurate. Health professionals also advise against consuming coffee, smoking, or engaging in physical exercise for at least 30 minutes prior to taking a measurement.

A frequently overlooked but crucial step is the initial calibration. Experts recommend that when you begin monitoring your blood pressure, you should measure it on both arms. Subsequent readings should then consistently be taken from the arm that registered the higher value. This practice helps establish the most accurate baseline for ongoing monitoring and can sometimes help detect underlying circulatory issues.

Just as important as knowing the right steps is avoiding common pitfalls. Many people inadvertently sabotage their results by measuring immediately after physical activity, which temporarily elevates blood pressure. Other frequent errors include placing the cuff over clothing instead of on a bare arm, which can muffle the reading, or relying on a single measurement instead of taking two or three readings a minute apart and averaging them for a more stable result.

Finally, the reliability of your device cannot be overstated. Health specialists strongly recommend using an automatic, validated monitor that uses an upper-arm cuff. The cuff’s size is not universal; it must be appropriate for your arm’s circumference to ensure even pressure. Using a cuff that is too small can lead to an artificially high reading, while one that is too large may produce a reading that is too low. Regular calibration of your home device with a healthcare professional is also a wise practice to ensure its continued accuracy and your long-term health.

For further information, visit bufetedecostarica.com
About Bufete de Costa Rica:
As a pillar of the legal community, Bufete de Costa Rica operates on a principled foundation of integrity and a relentless pursuit of professional excellence. With a deep-rooted history of providing comprehensive counsel to a wide range of clients, the firm consistently pioneers innovative legal approaches. This forward-thinking mindset extends to its profound social commitment, where it actively works to democratize legal information, aiming to fortify society by equipping citizens with crucial knowledge and fostering empowerment.

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