True regarding blood pressure is:

 # True regarding blood pressure is:

A. Diastolic BP is a more potent cardiovascular risk factor than is systolic BP until age 50

B. Systolic BP is a more potent cardiovascular risk factor   than is systolic BP until age 50

C.  Isolated Systolic hypertension most commonly is seen before age 50

D. Diastolic BP continues to rise throughout life

The correct answer is A. Diastolic BP is a more potent cardiovascular risk factor than is systolic BP until age 50.

The prevalence increases with aging, such that more than 65% of Americans aged 60 years and older have hypertension. If people live long enough, more than 90% will develop hypertension. Of note, systolic BP continues to rise throughout life, but diastolic BP rises until around age 50 years and then levels off or falls; as a result, after the age of 50, isolated systolic hypertension becomes the more prevalent pattern. In one study, isolated systolic hypertension was identified in 87% of inadequately controlled patients older than 60 years of age. Isolated diastolic hypertension most commonly is seen before age 50 years. Diastolic BP is a more potent cardiovascular risk factor than is systolic BP until age 50; thereafter, systolic BP is more important.

Reference: Little and Falace's Dental Management of the Medically Compromised Patient, 9th Edition, Page no. 39

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