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Average Home Blood Pressure Questionnaire

🔍How it appears to patients?

📋SNOMED codes saved to EHR

  • Average home systolic blood pressure (observable entity) - 413606001
  • Average home diastolic blood pressure (observable entity) - 413605002
  • Home blood pressure monitoring declined (situation) - 1085031000000100

⚙️ Associated Monitoring Rules

To use the Average Home BP Questionnaire for patients with hypertension, the relevant monitoring rules associated with Average Home Blood Pressure as a task must be enabled. 

To enable Average Blood Pressure Monitoring rules:

  1. Head to the User Management Portal.
  2. Navigate using the left-hand panel to Rules Management.
  3. Search for "HYP - AHBP annually".
  4. Enabling this rule will allow you to identify patients with hypertension who are due an annual Average Home Blood Pressure reading or have declined Home Blood Pressure monitoring.

    Please note that work is ongoing to explore additional use cases and functionality for this questionnaire.

🔍 How the Average Home Blood Pressure is calculated

The average blood pressure calculation excludes the first day's readings (i.e. the first two sets of values provided, as recommended by NICE guidelines) and uses the average value of all the remaining systolic and diastolic home readings provided by the patient, rounded up to the nearest integer value.

For example, for a 5-day reading:

Reading 1 (Day 1): 101 / 71 mmHg

Reading 2 (Day 1): 102 / 72 mmHg

Reading 3 (Day 2): 103 / 73 mmHg

Reading 4 (Day 2): 104 / 74 mmHg

Reading 5 (Day 3): 105 / 75 mmHg

Reading 6 (Day 3): 106 / 76 mmHg

Reading 7 (Day 4): 107 / 77 mmHg

Reading 8 (Day 4): 108 / 78 mmHg

Reading 9 (Day 5): 109 / 79 mmHg

Reading 10 (Day 5): 110 / 80 mmHg

The average blood pressure is calculated using readings 3 to 10 i.e. 107 / 77 mmHg.

❓ Want to Understand How Questionnaires Work?

If you're looking to understand how Questionnaires operate more generally, check this help article.