Think you can diagnose high blood pressure with just one reading? Think again! 🚨 Last year, my health check showed 150/90 and I freaked out. But when I measured on other days, most were normal. Hypertension diagnosis is trickier than you think. Here, I'll share the real criteria and my personal tips.
1. Hypertension diagnosis isn't a one-day thing
There are two types: primary (essential) and secondary. Most people have primary, caused by lifestyle, genes, stress, etc. To be diagnosed, you need BP readings ≥140/90 on at least three different days. Why three? Because blood pressure can change like crazy—exercise, anger, even a full bladder can spike it. One reading just isn't enough to separate a temporary spike from the real deal.
2. If you're on meds, even 'normal' BP means you still have hypertension
This is a common misunderstanding. If you're on hypertension meds and your BP is 130/80, you're not 'normal'—you have 'controlled hypertension'. You're still a hypertension patient. The diagnosis stays. Stop meds and it'll likely spike again, so lifelong management is key.
3. How to measure your BP at home, the right way
Wrist or finger monitors are convenient but less accurate. Use an upper arm monitor with international certification (like ESH, AAMI, ISO). I use the Omron HEM-7600T at home and it matches the hospital readings. Best times: within an hour after waking, or before bed. Rest 5 minutes before measuring, avoid coffee and smoking. Take 2-3 readings and average them.
4. My real story: Overcoming white coat hypertension
I have white coat hypertension—my BP spikes to 140/90+ at the hospital. I used to think I had real hypertension and was anxious. But at home, my BP is around 120/80. My doctor recommended home monitoring and even a 24-hour ambulatory BP test, which came back normal. Thanks to that, I avoided unnecessary meds. This experience taught me the importance of home BP monitoring.
5. Fact bomb: Catch the 'silent killer' early
Hypertension often has no symptoms. By the time you get headaches or dizziness, complications may have set in. That's why regular BP monitoring saves lives. The Korean Society of Hypertension recommends yearly checks for adults 20+, every 6 months for prehypertension (120-139/80-89), and daily for patients. So start measuring at home today! If your readings are ≥140/90 on at least three different days, see a doctor. That's the first step to protecting your health.