A blood pressure of 117/74 is a good reading. Both numbers fall within the “normal” category defined by the American Heart Association and the American College of Cardiology, which sets the threshold at below 120 for the top number (systolic) and below 80 for the bottom number (diastolic). In fact, this reading sits comfortably near the upper end of the ideal range without crossing into “elevated” territory.
What 117/74 Means in the Blood Pressure Chart
Blood pressure is grouped into four categories. Normal is anything below 120/80. Elevated starts at 120-129 systolic with a diastolic still under 80. Stage 1 hypertension begins at 130/80, and Stage 2 at 140/90 or higher.
At 117/74, your systolic pressure is just 3 points below the cutoff for “elevated,” and your diastolic is well within the healthy zone. If the two numbers ever fall into different categories, the higher category is the one that counts. In your case, both land squarely in normal, so there’s no ambiguity. The Mayo Clinic and the American College of Cardiology both describe this category as “ideal.”
Why This Reading Matters Long-Term
Keeping systolic pressure below 120 is associated with meaningfully lower cardiovascular risk. A large NIH-funded trial called SPRINT found that lowering systolic blood pressure to under 120 in adults age 50 and older significantly reduced the risk of heart disease and death compared to a higher target. Your reading of 117 already meets that benchmark without medication, which puts you in a strong position for long-term heart health.
The diastolic reading of 74 is also reassuring. It reflects healthy pressure in your arteries between heartbeats, when the heart is refilling with blood. Diastolic numbers that are too high (80 or above) suggest the blood vessels are under constant strain, while numbers that drop very low (below 60) can indicate other concerns, particularly in older adults. A reading of 74 sits right in the sweet spot.
One Reading Isn’t the Full Picture
Blood pressure fluctuates throughout the day. It typically rises a few hours before you wake up, peaks around midday, and drops in the late afternoon and evening. It’s lowest during sleep. Stress, caffeine, a full bladder, or even just being in a doctor’s office can temporarily push your numbers higher. This last phenomenon, called white coat hypertension, is common enough that home readings tend to run lower than clinic readings.
A single reading of 117/74 is encouraging, but the number that really matters is your average over time. If you’re monitoring at home, tracking your readings over several days gives a much clearer picture than any one measurement.
How to Get an Accurate Reading
Small details in how you measure can shift your results by 5 to 10 points in either direction. The CDC recommends the following for reliable home readings:
- Sit with your back supported for at least 5 minutes before measuring.
- Keep both feet flat on the ground with legs uncrossed.
- Rest your arm on a table at chest height with the cuff against bare skin.
- Avoid food, drinks, and caffeine for 30 minutes beforehand.
- Empty your bladder before sitting down.
- Stay silent during the reading. Talking can raise your numbers.
If your 117/74 was taken under these conditions, you can feel confident it’s accurate. If it was a quick reading taken mid-conversation at a pharmacy kiosk, the real number could be slightly different.
Keeping Your Blood Pressure in This Range
Since 117/74 is already normal, the goal is maintenance rather than improvement. The habits that protect this number are straightforward but worth being intentional about, especially as you age and blood pressure naturally tends to creep upward.
Aim for at least 30 minutes of moderate physical activity most days. This could be brisk walking, cycling, swimming, or anything that gets your heart rate up without being exhausting. Adding strength training at least two days a week provides additional benefit. On the dietary side, keeping sodium intake below 2,300 milligrams per day helps, though 1,500 milligrams is the more protective target for most adults. For reference, a single fast-food meal can easily contain 1,500 milligrams or more.
Maintaining a healthy weight, limiting alcohol, managing stress, and not smoking all contribute to keeping your readings stable over years. These aren’t dramatic interventions. They’re the same habits that protect against most chronic diseases, and they’re much easier to maintain when you’re starting from a healthy baseline like yours.