Understanding Your Blood Pressure Numbers — And What to Do About Them

If you've ever had your blood pressure taken and been handed a number like "128 over 84," you may have nodded and moved on without fully understanding what it meant. You're not alone. Blood pressure is one of the most important indicators of cardiovascular health, yet it's one of the most misunderstood.

What Do the Two Numbers Mean?

Your blood pressure reading has two components: the systolic pressure (top number) — the pressure in your arteries when your heart beats and pumps blood — and the diastolic pressure (bottom number) — the pressure between heartbeats, when your heart is at rest. Both numbers matter.

Current guidelines recognize these categories: Normal (less than 120/80), Elevated (120–129 systolic), High Blood Pressure Stage 1 (130–139/80–89), High Blood Pressure Stage 2 (140+/90+), and Hypertensive Crisis (above 180/120).

Why Does Hypertension Matter?

Chronically elevated blood pressure damages blood vessels and the heart over time — even when you feel completely fine. It quietly increases your risk of heart attack, stroke, heart failure, kidney disease, and vision loss. Louisiana consistently ranks among the states with the highest rates of hypertension and cardiovascular disease. Staying on top of your blood pressure isn't just good medical advice — it's especially important here.

What Can You Do?

Diet: The DASH diet — rich in fruits, vegetables, whole grains, and low-fat dairy, and low in sodium and saturated fat — has strong evidence behind it. Even modest sodium reduction can meaningfully lower blood pressure.

Physical activity: Regular aerobic exercise (aim for at least 150 minutes per week) can lower systolic blood pressure by 5–8 mmHg on its own.

Weight management: Even a modest 5–10 pound reduction can reduce blood pressure in people who are overweight.

Limiting alcohol: Heavy alcohol use raises blood pressure. Keeping consumption moderate matters.

Medications: When lifestyle changes aren't enough, there are safe, effective medications that can bring blood pressure under control.

Stress management: Chronic stress contributes to elevated blood pressure. Sleep, relaxation techniques, and addressing mental health are part of the full picture.

Home Monitoring

One of the most useful things you can do is monitor your blood pressure at home with a validated cuff device. A single reading in a doctor's office — especially if you're anxious — may not reflect your true baseline. Home readings over days and weeks give a clearer picture. This is also how we identify "white coat hypertension" (elevated readings only in a clinical setting) versus "masked hypertension" (normal in-office readings but elevated at home).

The Bottom Line

High blood pressure is common, largely silent, and almost entirely preventable or manageable with the right approach. If you don't know your numbers — find out. If you know your numbers are elevated — take action.

Dr. Ben Levron is a board-certified family medicine physician in Baton Rouge. He sees patients at Capital Concierge Medicine, an MDVIP-affiliated concierge practice.