I don't know what half of them are 
Dr Grumpy to the rescue Miss D.
ECG - An electrocardiogram is a test that records the electrical activity of your heart
Us&E - Tests your kidneys are working properly
FBC - Full blood count which measures red cells, white cells and platelet levels.
HDL - Test high-density lipoprotein cholesterol levels in the bloodstream
Liver Function - As the name suggests, test the liver is working properly.