Recent Blog Articles
Drug recalls are common
Easy ways to shop for healthful, cost-conscious foods
Prostate cancer in transgender women
Why eat lower on the seafood chain?
Can long COVID affect the gut?
When replenishing fluids, does milk beat water?
Safe, joyful movement for people of all weights
Slowing down racing thoughts
Are women turning to cannabis for menopause symptom relief?
3 ways to create community and counter loneliness
What is masked hypertension?
Ask the doctor
Q. I know that sometimes people have high blood pressure only at the doctor's office but normal blood pressure at home. But can the opposite also happen?
A. Yes. This phenomenon—when your blood pressure reading is normal at the doctor's office but high at home—is known as masked hypertension. It's hard to know just how common it is, since doctors don't routinely tell people to measure their blood pressure at home if it's normal in the doctor's office or clinic. The only reason we know it exists is from clinical studies that required people to undergo ambulatory blood pressure monitoring. For this type of monitoring, you wear a portable blood pressure cuff and monitor for 24 hours. The machine records your blood pressure every 20 minutes while you're awake and hourly while you're asleep. In these studies, anywhere from 10% to 40% of the participants were found to have masked hypertension, depending on the exact population evaluated.
To continue reading this article, you must log in.
Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.
- Research health conditions
- Check your symptoms
- Prepare for a doctor's visit or test
- Find the best treatments and procedures for you
- Explore options for better nutrition and exercise
I'd like to receive access to Harvard Health Online for only $4.99 a month.Sign Me Up
Already a member? Login ».
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
Free Healthbeat Signup
Get the latest in health news delivered to your inbox!