A ʻO ka mea nānā maʻi he mea lapaʻau lolouila i loaʻa i hoʻokahi a ʻoi aʻe paha nā mea nānā nānā, kahi mea hana, a me kahi hōʻike pale (i kapa ʻia ʻo 'monitor') e hāʻawi a hoʻopaʻa no nā limahana lapaʻau i nā hōʻailona koʻikoʻi o ka mea maʻi (ka wela kino, ke koko, ka pulse a me ka hanu hanu) a i ʻole nā ​​ana o ka hana o nā ʻano kino like ʻole e like me ka ECG monitors, anesthesia monitors, a i ʻole EKG monitors.