FWIW and not checked for accuracy, I've seen the recommended ranges come down over a lifetime so I asked Chatgpt to chart it. A cynic would say this was driven by Big Pharma
Historic Comparison Summary
- 1900–1940s
- Normal / Acceptable BP Standard: "100 + Age" (e.g., 150 systolic was considered acceptable at age 50)
- High BP Threshold (Action Required): Greater than 180/110 mmHg
- Primary Focus: Symptom management only; high blood pressure was falsely believed to be essential for aging bodies.
- 1977
- Normal / Acceptable BP Standard: Less than 140/90 mmHg (monitored but rarely treated)
- High BP Threshold (Action Required): Greater than 160/105 mmHg
- Primary Focus: Diastolic pressure strictly; systolic pressure was largely ignored in formal treatment protocols.
- 1993
- Normal / Acceptable BP Standard: Less than 130/85 mmHg
- High BP Threshold (Action Required): Equal to or greater than 140/90 mmHg
- Primary Focus: Both Systolic and Diastolic; clinical trials proved treating elevated systolic pressure dramatically reduced stroke risk.
- 2003
- Normal / Acceptable BP Standard: Less than 120/80 mmHg
- High BP Threshold (Action Required): Equal to or greater than 140/90 mmHg (with 120–139/80–89 mmHg officially introduced as "Prehypertension")
- Primary Focus: Preventative warning categories; introducing earlier lifestyle interventions to prevent the progression to hypertension.
- 2017
- Normal / Acceptable BP Standard: Less than 120/80 mmHg
- High BP Threshold (Action Required): Equal to or greater than 130/80 mmHg (U.S. ACC/AHA change)
- Primary Focus: Early lifestyle and clinical action; abolishing "prehypertension" to classify Stage 1 Hypertension much earlier.
- 2025–2026
- Normal / Acceptable BP Standard: Less than 120/80 mmHg
- High BP Threshold (Action Required): Equal to or greater than 130/80 mmHg (Official harmonization between the United States and Canada)
- Primary Focus: Aggressive early control; intensive targets (<120 mmHg systolic) are highly prioritized to actively prevent cognitive decline, vascular dementia, and cardiovascular mortality.
Bonus fun fact: I'm certain I heard of one much higher by a powerlifter squatting many years ago but the highest reliable official record I found just now via chatgpt is "exceeding 480/350" during Leg Press.
Bonus not as fun fact: Once upon a time in the skwat rack I pretty much stalled with 3-1/2 plates on board and felt and sorta heard a "twik" in my eye, racked the bar and looked in the mirror and half the white of my eye was filled with blood. Didn't hurt, we laughed our asses off about it for a minute or two like giggling school girls then an older, wiser guy said hey you idiots that's not funny. No permanent damage was diagnosed at the time. In the long run I'm not so sure though.