Multiple choice

Who recorded ECG for the first time?

  1. Einthoven

  2. Waller

  3. Hans Spemann

  4. Robert Briggs

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Augustus Waller is credited with recording the first human electrocardiogram in 1887. While Einthoven later refined the technology and won a Nobel Prize for it, Waller performed the first recording.