High Blood Pressure? No, Its Not!

Quite a number of patients were referred to me the last few weeks for the management of high blood pressure (hypertension) which had proved somewhat resistant to medications.  Their blood pressures had been recorded high by their attending doctors. Those with their own blood pressure machines had protested that their readings were quite normal at home although their doctors insisted otherwise.

Having blood pressure checked by a doctor can make the reading artificially high


Fact: A third of hard-to-treat high blood pressure may actually be ‘fake’ and instead a patient’s nervous response to being seen by a doctor, as reported recently (here). This phenomenon has been known for some time and fondly called white-coat hypertension, in reference to the fact that quite a number of people with normal blood pressure developed nervous tension or stress when they were confronted by a doctor; which in turn is reflected by raised blood pressure readings, albeit temporary. When they were removed from the stress situation, blood pressure quickly reverted to normal levels, which accounts for the normal readings such patients obtain  with their own machines when at home.

Portable wrist monitors can measure BP readings over 24 hours

In some of these patients, blood pressure medications were actually prescribed which caused severe side-effects when they returned home and blood pressure normalised. Medications are quite unnecessary in such cases.

How does one make sure that one’s blood pressure is truly high and not due to stress-induced causes? Simple, in most hospitals, doctors can ask patients to wear a device that monitors the blood pressure regularly over 24 hours (24-hour portable ambulatory blood pressure monitoring). Today’s devices are not so bulky and cumbersome and can often resemble a wrist-watch.

The really bigger problem is trying to get those who have not gotten a blood pressure reading for many years on the mistaken belief that they did not have symptoms (hypertension is usually silent – hence the acronym ‘silent killer’) or were simply unaware that they were at risk.


4 responses

  1. […] here to read the rest: High Blood Pressure? No, Its Not! « Doctor2008?s Weblog Related Posts:High Blood Pressure? No, Its Not! « Doctor2008?s WeblogNaturally treat high blood […]

  2. I want to thank you for your timely article as it answered my problems about why my BP was always high in the doctor’s surgery but remained normal when I took it at home.
    Keep up the good work!

  3. Doc, is a blood pressure of 140/90 high? Or just borderline?
    According to some GPs it is normal.
    However, according to the latest standard, a normal pressure is 120/80.
    Also, are the automatic blood pressure gauge that is widely used accurate?
    I understand that it has a difference of +/- 5.
    That is too wide a range, don’t you think?
    Thank you.
    Doctor2008: What is considered high is determined by many factors like age, underlying disease,etc. There’s no one magic figure.
    Most electronic blood pressure devices are reasonably accurate but the technique has got to be good.

  4. I am no longer positive where you are getting your info, however great topic. I must spend a while learning more or understanding more. Thank you for fantastic info I used to be looking for this information for my mission.

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