Chronic Conditions
Understanding High Blood Pressure: What Austin Patients Need to Know
High blood pressure — hypertension — is often called the silent killer for good reason. It produces no pain, no obvious symptoms, and no warning signs in the vast majority of people who have it. Nearly half of American adults meet the current definition of hypertension, yet only about one in four has it adequately controlled. Those are sobering numbers, especially in a city like Austin where busy, high-stress lifestyles are the norm.
Blood pressure is measured in two numbers: systolic (the upper number, reflecting the pressure in your arteries when your heart beats) and diastolic (the lower number, reflecting pressure between beats). Current guidelines from the American College of Cardiology define normal as below 120/80 mmHg. Elevated blood pressure is 120–129 systolic with diastolic below 80. Stage 1 hypertension begins at 130/80, and Stage 2 at 140/90 or higher.
One elevated reading in the office does not automatically mean you have hypertension. White-coat effect — blood pressure rising in a clinical setting due to anxiety — is real and very common. That's why we typically want to see elevated readings on at least two separate occasions, or use ambulatory blood pressure monitoring, before making a diagnosis. Home blood pressure monitors are inexpensive and accurate, and we often recommend patients track readings over two to four weeks before a follow-up.
Lifestyle changes are first-line treatment for Stage 1 hypertension without other cardiovascular risk factors. The most impactful interventions are sodium reduction (target under 2,300 mg per day, ideally closer to 1,500 mg), regular aerobic exercise (30 minutes most days of the week), weight loss if overweight, limiting alcohol to no more than one drink per day for women and two for men, and managing chronic stress. These changes can reduce systolic blood pressure by 4–11 mmHg — equivalent to a modest medication dose.
When medication is needed, the most commonly prescribed first-line options are thiazide diuretics, ACE inhibitors or ARBs, and calcium channel blockers. The right choice depends on your age, race, kidney function, other health conditions, and other medications you're taking. There is no single best antihypertensive for everyone — it requires a clinical conversation. Most people with hypertension eventually require two or more medications to reach target blood pressure.
Uncontrolled hypertension is the leading risk factor for stroke, a major contributor to heart attack, kidney disease, and heart failure, and a driver of cognitive decline with age. The good news: it is one of the most treatable conditions in medicine. If you haven't had your blood pressure checked recently, call us. It takes about 90 seconds and could genuinely save your life.
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