This article is medically reviewed by Dr Valery Feigin | Professor of Neurology & Epidemiology and Director of NISAN (National Institute for Stroke and Applied Neurosciences), Auckland University of Technology.
High blood pressure is often referred to as the “silent killer” as it may show no visible symptoms. While many understand the importance of measuring blood pressure regularly, many don’t realise is that every measurement is unique due to various factors. Let’s dive into how these variations occur and how you can get the most accurate readings possible!
Why is every blood pressure reading different?
It is normal for people’s blood pressure to vary with time, or in settings where blood pressure is measured. Many factors can cause temporary fluctuations in your blood pressure readings, such as stress levels, food or drink intake, activity levels and time of day.
Here are some of the more common factors:
Blood pressure can fluctuate naturally throughout the day, where it tends to be lower in the morning and higher in the afternoon and evening.
Your emotions, such as stress, anxiety and even excitement can temporarily raise your blood pressure. In contrast, relaxation techniques such as taking deep breaths may help to lower it.
The way that the cuff is put on can also influence your blood pressure readings, due to its positioning or tightness, which may not reflect your true blood pressure.
When you are exercising, your blood pressure will increase temporarily to supply additional blood flow for your muscles.
What are the differences between monitoring blood pressure at home and getting it checked at the clinic by doctors?
Home digital monitors measure blood pressure oscillometrically, measuring the vibration of blood travelling through arteries and converting the movement into digital readings. Stethoscopes used by doctors involve auscultation where the doctor listens for specific heartbeat sounds which the doctor then uses to determine systolic and diastolic pressures.
Even though your doctor may use those similar to your home digital monitors for blood pressure measurement, readings at home would also differ from readings in your doctor’s office for many reasons and it is normal. Some of the common reasons include:
A person’s blood pressure rises above usual level when measured in a clinical setting
A person’s blood pressure falls below usual level when measured in a clinical setting
Tips for getting accurate blood pressure readings
Want to ensure that your blood pressure measurements are spot-on? Here are some simple tips to help you measure your blood pressure accurately:
Sit upright and relaxed in a quiet environment for at least five minutes before measuring your blood pressure. Find a comfortable chair, place your feet flat on the floor and breathe normally while measuring for a more accurate reading.
Don’t just rely on one lone reading! Take two or three measurements a few minutes apart and take the average of the readings to account for any temporary spikes or drops.
Ensure the cuff fits well and it should be worn at heart level on your upper arm, directly above the eye of the elbow.
Don’t just stop at taking your blood pressure readings! Make a record of them and share them with your doctor during regular check-ups. This would allow your doctor to make the right health decisions for you.
With the simple tips shared earlier, you can gain better control over your cardiovascular health. Remember, your health journey starts with knowledge, and with OMRON blood pressure monitors, you can take those blood pressure readings with confidence!
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