Categories October Surprise 2016 Can Caffeine Cause Tachycardia? | Heartbeat Alert Explained Post author By Mike Nova Post date September 22, 2026 Yes, caffeine can cause tachycardia, especially in people who are sensitive to stimulants. It stimulates the heart’s electrical system and can trigger a faster heartbeat or palpitations even at lower doses. ← Most Popular Music Genres – Statistics & More [Upd. 2024] → RT by @mikenov: RT by @mikenov: Stubb: Russia isn’t planning a full-scale NATO war. It’s trying to scare Europe into abandoning Ukraine. The more we overreact to hybrid attacks, the more Russia wins