Adults aged 18 years and older including those with average baseline blood pressure and higher than average risk of hypertension and vascular risk but without previously diagnosed hypertension. These recommendations do not apply to individuals who have already received a confirmed diagnosis of hypertension.

Burden of illness

Approximately 4.6 million Canadian adults (19% of the population) have high blood pressure. Prevalence of high blood pressure increases with age, comorbidities and other risk factors.

Intervention: screening for high blood pressure

Details of recommended service

For all adults 18 years of age and older we suggest screening at all appropriate visits which may include new patient visits, periodic health exams, urgent office visits for neurological or cardiovascular related issues, medication renewal visits, and other visits where the Primary Care Physician deems it an appropriate opportunity to monitor blood pressure. It is not necessary to measure blood pressure on every patient at every office visit if not clinically indicated.

The frequency and timing of blood pressure screening may vary between patients. The risk of high blood pressure and the risk of stroke or heart disease change over a person’s natural lifespan and increases with age, comorbidities, and the presence of other risk factors. Therefore screening frequency may increase accordingly, especially in patients with more than one vascular risk factor.

Having recent consistent normal blood pressure measurements may decrease the need for more frequent monitoring, while a tendency toward ‘high normal’ blood pressure could indicate that more frequent monitoring is needed.

Considerations for implementation

Consider using the electronic health record to flag a screening reminder for adults aged 18 years and older, especially those who have not had their blood pressure measured.

Special considerations

Adults identified as belonging to a high-risk ethnic group (South Asian, Aboriginal, African ancestry) may benefit from more frequent monitoring. Practitioners should remain alert for opportunities to screen infrequent visitors and others who have not been screened recently.

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