I’ve written posts before about times that the cardiac monitor disagrees with the pulse oximeter as to how many times the heart is beating. In the prior post, it was due to PVC’s. This time it is something different…
Cardiac monitored fooled again…
Monitors
Monitor weirdness: concerning, yet oddly satisfying
There is nothing too deep here – and certainly nothing educational. These are just some vitals that caught my eye on the monitor.
Continue readingWhat’s the heart rate: follow up
In the last post, I mentioned that I was not sure why there was no palpable pulse from the PVC during ventricular bigeminy. Does the PVC not cause a mechanical contraction at all? Or does it actually cause a contraction that is too weak to feel? I’d mentioned that I could have answered the question with an ultrasound.
It was just a matter of time before this happened again.
Continue readingWhat’s the heart rate?
Here we see a nice example of ventricular bigeminy. Besides the rhythm, do you notice anything strange on the cardiac monitor?
Kindergarten Capnometry
Regardless of your opinion on its necessity, the first step in putting end-tidal CO2 to use is understanding what it is. Here are the basics.
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Searcy EM 