UK Blood Pressure Average Formula:
From: | To: |
Definition: This calculator computes the average blood pressure from 7 days of home monitoring, excluding the first day as per UK guidelines.
Purpose: It helps individuals and healthcare professionals determine accurate blood pressure averages for better hypertension management.
The calculator uses the formula:
Where:
Explanation: The calculator sums all valid readings from days 2-7 and divides by the number of days (6) to get the average.
Details: Proper BP averaging helps in accurate diagnosis of hypertension and monitoring treatment effectiveness.
Tips: Enter your blood pressure readings for 7 consecutive days (day 1 is automatically excluded). All values must be valid numbers > 0.
Q1: Why is the first day excluded in UK guidelines?
A: The first day is often less reliable due to the "white coat effect" or initial adjustment to monitoring.
Q2: How many readings should I take each day?
A: UK guidelines recommend two readings in the morning and two in the evening.
Q3: What if I miss a day of readings?
A: The calculator requires all 6 days (2-7) for accurate results. If you miss a day, you should restart the monitoring period.
Q4: What is a normal BP average?
A: According to NHS, a normal home blood pressure is below 135/85 mmHg.
Q5: Should I take my readings at the same time each day?
A: Yes, consistency in timing improves the reliability of your average calculation.