Amazing art coming in! Hard to rank these with so many good entries. I prefer less slanted designs, sharp straight lines, and the use of an EKG icon that can be used independently from the text as a standalone logo. I particularly like this form of the EKG symbol:
https://www.google.com/url?sa=i&url=https%3A%2F%2Fpixabay.com%2Fvectors%2Fheartbeat-ekg-ecg-pulse-heart-rate-304130%2F&psig=AOvVaw01mbGeYLCGKNrGuVlGgCEE&ust=1595431502884000&source=images&cd=vfe&ved=0CAIQjRxqFwoTCPi41dzT3uoCFQAAAAAdAAAAABAK