Warning signs can appear on your skin and nails, which is why your dermatologist may be the first doctor to notice that you have heart disease. If you know what to look for, you can also find warning signs of heart disease on your skin and nails. The following pictures show you what to look for.

1. Swelling in your feet and lower legs

2. Blue or purple color on your skin

3. Blue or purple net-like pattern on your skin

4. Yellowish-orange, waxy growths on your skin

5. Clusters of waxy bumps that suddenly appear on your skin

6. Nails curve downward and the ends of your fingers are swollen

7. Red or purple lines under your nails

8. Smooth, waxy lumps on your skin

9. Painful lumps in your fingers, toes, or both