ECG case 4

what do you see?


Q: What do you see?
A: Spikes
Q: Where spikdes are locate?
A: Before each QRS complex
Q: What else do you see?
A: Large QRS complex
Q: Weldone! What else do you see?
A: LBBB pattern
Q: Oh, you are great! Then, why these patterns we see?
A: Because, this is a pacemaker rhytm.