The present invention relates to new and/or improved methods of identification and selection of cardiomyocytes from human embryonic stem (hES) cells. The method further comprises isolating the selected cardiomyocyte population. There is also provided method for the screening for cardiovascular compounds comprising subjecting the said cardiomyocyte population to test compound/s, and observing and/or interpreting a response of the cardiomyocytes to the test compound.
