8
Diagnosis
Figure 1. Detection of White Coat Hypertension or Masked
Hypertension in Patients Not on Drug Therapy
Daytime
ABPM or HBPM
BP <130/80 mm
Hg
Office BP: ≥130/80 mm Hg but
<160/100 mm Hg after 3 mo trial of
lifesty1e modification and suspected
white coat hypertension
YES
NO
White Coat Hypertension
• Lifestyle modification
• Annual ABPM or HBPM
to detect progression
(Class IIa)
Hypertension
Continue lifestyle
modification and start
antihypertensive drug therapy
(Class IIa)
Daytime
ABPM or HBPM
BP ≥130/80 mm
Hg
Office BP: 120–129/<80 mm
Hg after 3 mo trial of lifestyle
modification and suspected masked
hypertension
YES NO
Masked Hypertension
Continue lifestyle
modification and start
antihypertensive drug
(Class IIa)
Elevated BP
• Lifestyle modification
• Annual ABPM or ABPM to
detect masked hypertension
or progression
(Class IIa)
Colors correspond to Class of Recommendation on page 56–57.
