Kanji efficiency vs. kana speed during fast-paced note-taking

When taking notes, I often struggle to decide whether to use kanji like 賛同 or just stick to kana. While kanji makes the main points more 可視 at a glance, the physical speed required when a lecture starts to 帯びる a more rapid pace often forces me into hiragana. I find myself comparing which patterns allow for better legibility later versus instant capture now. How do you all find that balance?