premium cardiology brand visual, modern medical editorial style, clean and elegant composition, deep navy blue, royal blue, white and subtle red accents, high-trust healthcare aesthetic, sophisticated clinical atmosphere, minimalistic design, soft lighting, precise details, luxury medical branding, vertical 4:5 for Instagram, no text, no logo, no watermark blurry, low resolution, cartoon, childish, messy, cluttered, neon colors, oversaturated, cheap stock photo look, distorted anatomy, extra fingers, bad hands, text, watermark, logo, plastic skin, unrealistic medical equipment modern medical illustration showing a weakened human heart with reduced circulation to the body, clean cardiology infographic style, deep navy blue and white palette with subtle red accents, elegant and precise anatomical concept, professional healthcare branding, minimalistic composition, vertical 4:5, no text, no logo, no watermark