Hypertension found before elective surgery — proceed, or refer back to the GP?
Draft — not yet clinically verified. Based on the Association of Anaesthetists / British & Irish
Hypertension Society 2016 guideline (Hartle et al), secondary-care pathway (Fig 2). For elective
surgery. Acute severe hypertension with end-organ compromise, and urgent/emergency surgery, are separate clinical
decisions. Not a substitute for clinical judgement.
Lowest of up to three readings
Systolic (mmHg)
Diastolic (mmHg)
Measure up to three times and use the lowest systolic and diastolic values.
Hartle A, et al. The measurement of adult blood pressure and management of hypertension before
elective surgery. Anaesthesia 2016;71:326–337 (Association of Anaesthetists & British and Irish Hypertension Society), Figure 2.
Source: AoA / BIHS 2016 (Hartle et al). Proceed if documented <160/100 in the last year,
or if clinic BP <180/110. Inform the GP of any reading >140/90.
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