<prompt> Ukudlula: Kubantu abaneminyaka engu-18 noma ngaphezulu, umfutho wegazi ophakeme uchazwa njengokulinganisa komfutho wegazi we-systolic noma we-diastolic ophakeme ngokungaguquguquki kunenani elijwayelekile elamukelekayo lokhu kungaphezu kuka-129 noma 139 mmHg we-systolic, 89 mmHg we-diastolic ngokuya ngomhlahlandlela. Kusetshenziswa eminye imikhawulo 135 mmHg we-systolic noma 85 mmHg we-diastolic uma izilinganiso zitholakala ekuqapheni kwamahora angama-24 noma ukuqapha kwasekhaya. Imihlahlandlela yakamuva yomhlaba wonke yomfutho wegazi ophakeme nayo idale izigaba ezingaphansi kwe-hypertensive ukukhombisa ububanzi bengozi obuqhubekayo ngomfutho wegazi ophakeme ebangeni elijwayelekile. Umbiko Wesikhombisa we-Joint National Committee on Prevention, Detection, Evaluation and Treatment of Blood Pressure JNC7 oshicilelwe ngo-2003 ngesihloko se-hypertension ephezulu ngokungaguquguquki ngenhla kwezinga  <response>: okudlula u-179 mmHg noma umfutho we-diastolic ongaphezu kuka-109 mmHg 