Materials I used : Soft copper wire : 20 gauge (wire diameter 0.8mm) : 25cm (10 inch) Learn how to make a beautiful wave-inspired minimalist ring with copper wire. This quick and simple tutorial is ...

How often do you see an ECG that is just a little off? Maybe the T wave is flat, oddly-shaped or inverted. Maybe the ST segment is coved, very minimally-depressed or shows some J point elevation.