Blood pressure report · US guideline

My Blood Pressure is 243/101 - good or bad?

243/101
mmHg
Hypertensive crisis range
Systolic (upper)243 crisis
Diastolic (lower)101 stage 2

Each scale rates one number on its own; the higher category counts. Blue = low (systolic under 90 or diastolic under 60) — a common label, not an AHA/ACC category.

Call 911 (US) or your local emergency number if you also have

chest pain, shortness of breath, back pain, numbness or weakness, vision or speech problems, confusion or a severe headache.

Without these symptoms: sit quietly for 5 minutes and measure again. If it is still above 180 systolic or 120 diastolic, contact your doctor the same day — don't wait for the next appointment.

What this reading tells you

Readings this high need a second measurement after five quiet minutes. If the systolic number stays above 180 or the diastolic above 120, it is a medical situation — and with warning signs it is an emergency (see the red box).

Your systolic number is the one that sets the category here — the other one alone would rate as stage 2 hypertension.

Know your numbers

Mean arterial pressure148 mmHg

The average pressure that keeps your organs supplied — diastolic plus one third of the gap. Raised — above the typical range of 70–100, in line with a high reading.

Pulse pressure142 mmHg

Wide. A gap above 60 usually means the large arteries have lost some elasticity — common after 60 and a reason to keep the systolic number in check.

Questions to ask your doctor

  • Why did my blood pressure go this high — is there an underlying cause?
  • What should I do if it happens again?
  • Do I need tests for organ damage?

Your 7-day home check

One reading can mislead. Measure twice each morning (before medication and coffee) and evening for a week, skip day 1, and average the rest. Print this log or copy it. How to measure: How to Check Your Blood Pressure at Home.

DayAM 1AM 2PM 1PM 2
1*
2
3
4
5
6
7

AM = morning, PM = evening, two readings one minute apart. *Day 1 is practice — leave it out of the average.

Print this page · Home average of 130/80 or higher counts as hypertension.

Look up another reading

Readings close to 243/101

Sources: 2025 AHA/ACC high blood pressure guideline (Hypertension 2025;82:e212–e316) · American Heart Association: When to call 911 about high blood pressure

MyBodyResearch explains readings in general terms; it does not diagnose. High blood pressure is confirmed with repeated measurements, and treatment decisions belong with your doctor.