Most seniors should have their blood pressure checked at least once a year, and more often if they have high blood pressure, heart disease, diabetes, or kidney disease. Blood pressure tends to rise with age, high blood pressure usually causes no symptoms, and regular checks are the simplest way to catch a change before it leads to a heart attack, stroke, or heart failure.
Understanding Blood Pressure
Blood pressure is the force of your blood pushing against your artery walls. A reading has two numbers. The top number (systolic) is the pressure when your heart beats, and the bottom number (diastolic) is the pressure when your heart rests between beats.
When that pressure stays too high over time, it strains the heart and blood vessels and raises the risk of heart attack, heart failure, stroke, and kidney disease. Older adults face a higher risk of these complications, which is why tracking blood pressure matters more with age.
What Is Normal Blood Pressure for Seniors?
There is no separate normal range for older adults. The American Heart Association uses the same blood pressure categories for every adult, at 40, 70, or 85:
- Normal: below 120/80 mm Hg
- Elevated: 120 to 129 systolic and below 80 diastolic
- Stage 1 high blood pressure: 130 to 139 systolic or 80 to 89 diastolic
- Stage 2 high blood pressure: 140 or higher systolic or 90 or higher diastolic
- Severe: above 180 systolic or above 120 diastolic
For a reading in the severe range, wait a few minutes and check again. If it's still that high, contact a doctor right away, and call 911 if there's chest pain, shortness of breath, weakness, numbness, vision changes, or trouble speaking.
Many people still remember the old rule that a healthy systolic number is 100 plus your age, which would make 170 acceptable at 70. Current guidelines dropped that idea years ago. A 70-year-old with a reading of 150/80 has high blood pressure, even if it's common at that age.
Blood Pressure Targets for Older Adults
A normal reading and a treatment target aren't always the same thing. Current guidelines recommend a target below 130/80 for most adults who are treated for high blood pressure, including seniors who live independently and are in reasonably good health. Large studies that included adults over 75 found fewer heart attacks, strokes, and deaths when blood pressure was lowered to that range.
Doctors often set a more relaxed target for seniors who are frail, have a history of falls, take many medications, or get dizzy when they stand. Pushing blood pressure too low in those cases can cause lightheadedness and falls, which carry serious risks of their own. The same reasoning applies to people in their 80s and 90s, so ask the doctor what number they want to see rather than comparing readings to a general chart.
Why Blood Pressure Changes With Age
Arteries naturally stiffen over time, which makes the top number climb. At the same time, the bottom number often stays the same or drops. That's why many seniors see readings like 150/70. This pattern is called isolated systolic hypertension, and it's the most common type of high blood pressure in people over 65. Even though the bottom number looks fine, the high top number still raises the risk of stroke and heart disease and should be treated.
Some seniors have the opposite problem. Orthostatic hypotension is a drop in blood pressure within a few minutes of standing up, and it can cause dizziness, blurred vision, or fainting. Dehydration and some blood pressure medications make it more likely. Readings consistently below 90/60 mm Hg, or dizziness every time you stand, are worth reporting to a doctor.
How Often Should Seniors Measure Blood Pressure?
At least once a year at a regular checkup is the baseline for older adults with normal readings. Seniors with high blood pressure, heart disease, diabetes, or kidney disease usually need more frequent checks, such as once a month or on the schedule their healthcare provider recommends. Anyone starting or changing a blood pressure medication may be asked to check daily for a few weeks. Regular monitoring catches sudden changes early, before they turn into serious health problems.
How to Check Blood Pressure at Home
A home monitor with an upper-arm cuff gives more reliable readings than a wrist or finger device. To get an accurate number:
- Skip caffeine, exercise, and smoking for 30 minutes beforehand, and use the bathroom first.
- Sit quietly for five minutes with your back supported and feet flat on the floor.
- Rest your arm on a table so the cuff sits at heart level, on bare skin.
- Take two readings a minute apart and write both down.
- Measure at the same times each day, such as morning and evening.
Bring the monitor to a doctor's appointment once a year so the office can check that it reads accurately.
What to Do With Blood Pressure Readings
Keep a log of your readings with the date and time, and bring it to appointments. Recording your blood pressure over time gives your healthcare provider a fuller picture of your heart health than a single reading in the office, and they use it to decide if your medication or lifestyle needs to change.
Everyday habits help keep readings in range at any age. Cutting back on salt, staying active with regular walks, limiting alcohol, maintaining a healthy weight, and taking medications exactly as prescribed all lower blood pressure. Many older adults still need medication to reach their target, and that's normal.
Health Support for Seniors in Springfield-Manassas
Keeping up with home readings, medications, and doctor visits is a lot to manage alone. Senior Helpers Springfield-Manassas chronic disease care caregivers help seniors with daily routines like medication reminders and healthy meals, and personal care caregivers provide hands-on help at home. Senior Helpers Springfield-Manassas, VA, provides in-home care in your community. Contact Senior Helpers Springfield-Manassas to learn more.