Normal heart sounds—S1 and S2—are generated when ... However, in adults over 40, it's almost always abnormal, representing an early sign of congestive heart failure (heart failure with a ...

Using computers to make a digital replica of the heart—a digital heart twin—can successfully identify problem areas deep in ...

and the NHS list several symptoms of various heart complaints, including murmurs. Some murmurs are harmless but abnormal ones ...