ECG vs. Echo: What’s the Difference?
Understanding ECG vs. Echo: What’s the Difference in Function When it comes to diagnosing heart conditions, two tests often come…
How the ECG Machine Let Us Listen to the Heart: A 1903 Breakthrough
In 1903, Dutch physiologist Willem Einthoven transformed medicine by inventing the electrocardiogram (ECG). Using a string galvanometer the size of…