A na-eji ọnụego ndị ọzọ eme ihe (135 mmHg systolic ma ọ bụ 85 mmHg diastolic) ma ọ bụrụ na e si na elekere elekere 24 na-agagharị ma ọ bụ n'ụlọ. Ntuziaka ndị na-adịbeghị anya gbasara ọbara mgbali elu mba ụwa emepụtakwala edemede n'okpuru ọkwa hypertensive iji gosipụta ihe egwu dị elu na ọbara mgbali elu dị elu na ọkwa nkịtị. Akụkọ nke asaa nke Joint Committee on Prevention, Detection, Evaluation and Treatment of Blood Pressure (JNC7) bipụtara na 2003 na okwu ọbara mgbali elu maka ọbara mgbali elu dị elu karịa 120 g / 139 mmHg systolic, 89 mmHg diastolic dabere na ntuziaka. A na-ejikwa ọgwụ ndị ọzọ (135 mmHg systolic ma ọ bụ 85 mmHg diastolic) eme ihe iji belata ọbara mgbali elu na-adị elu ma ọ bụrụ na ọnụọgụ ọbara mgbali elu na-agafe karịa 90 g / mmHg. N'oge nke atọ nke American Society of Cardiology (2007 mmHG), JHS (2007) na
ihe karịrị 179 mmHg ma ọ bụ nrụgide diastolic karịrị 109 mmHg