<![CDATA[Audiovisual media is media that contains audio and visual elements which have the ability to be more interesting because they include sound and images. Whatsapp groups are usually used for learning together and can be used for discussions. Self-management refers to a person's activity of doing something as a whole in his life independently to improve and maintain his health. Knowledge is the result of human sensing or the result of a person's knowledge of an object through his or her five senses. The aim of this research is to determine the effectiveness of audiovisual education methods using WhatsApp group media in increasing knowledge and self- management in hypertension patients. This research uses a pre-experimental design with the form of a one group pretest-posttest design. The sample in this study was someone who experienced hypertension in the elderly in the Cihaurbeuti Community Health Center working area. The technique used was purposive sampling with a sample of 35 respondents. The results of the research showed that the level of self-management knowledge of respondents before being given the intervention was in the fair category (77.2%), the majority of respondents' level of self-management knowledge after being given the intervention was in the good category (65.7%). There was an effect of providing audiovisual video media using the WhatsApp group method after being given the intervention with an increase of 3.09. The results of statistical tests using the Independent T test obtained Sign. (2-tailed) 0.00<0.05 means there is a significant influence.]]>
