Both of these ECG findings are indicative of a severe proximal left anterior descending stenosis (acute or chronic). Note that there is no ST segment elevation that occurs with Wellen's ECG changes.

The initial recognition of cardiac electrical signals was reported by Waller in 1887 followed by Einthoven's development and description of the ECG in 1902. [1] Professor Hein Wellens has been the ...

Both of these ECG findings are indicative of a severe proximal left anterior descending stenosis (acute or chronic).