A Relatively Narrow Complex Tachycardia at a Rate of 180.
I received a text message with this image: “Cardioversion didn’t work. Any thoughts?” What do you think? The…
Heart rate of 230 beats per minute
What can you say about this ECG at a rate of 230 beats per minute? Answer below The QRS is very narrow (about 70 ms?), so it must be a…