The tool for those with their patients´ interests at heart! Previous Next successful! impressively! successful! A visual tool guaranteeing learning success for all relevant groups of healthcare professionals. impressively! A quick guide to the relationships between ECG changes and patient health status. Previous Next successful! impressively! successful! A visual tool guaranteeing learning success for all relevant groups of healthcare professionals. impressively! A quick guide to the relationships between ECG changes and patient health status.