心跳/心电图图标

Heartbeat/ECG icon, Medical & health category, Professional medical monitoring vibe/Health data visualization, Minimalist tech UI, Simplified PQRST waveform outline (retaining typical heart rate fluctuation features), Desaturated medical blue (#5DADE2)/Healthy green (#ABEBC6)/Pure white gradient, Matte titanium gray metal (simulating device shell)/High-transparency anti-fingerprint acrylic (waveform display area)/Circuit board texture plastic, Slightly convex waveform 3D effect