二十四小時心電圖

二十四小時心電圖 - 24 hours ECG (Electrocardiography) - Holter monitoring

Basically it is just sticking some stickers to the body (usually 1 at each shoulder plus 1 at the left abdomen) and the stickers connect to a small machine (sized as a mobile phone) carried by the person with some wires.... just it.

Of course you can do it while wearing uniform.