MCQ
What does the QRS - complex represent?
- ASpreading of impulse from AV node to Purkinje fibers.
- ✓Spreading of impulse from SA node to AV node and then to Purkinje fibers through bundle of His.
- CSpreading of impulse from SA node to Purkinje fibers.
- DSpreading of impulse from AV node to bundle of His.