Synchronized cardioversion

From: "Domen" <novakdom@xxxxxxxxx>
Date: 29 Nov 2005 02:21:00 -0800

Hello, everyone.
I have a question about the workings of a synchronized cardioverter. I
know that shocks are automatically delivered a short period of time
after the R wave of the heart is detected. But how exactly is the R
wave detected? Does the machine detect it as it occurs using the slope
and amplitude of the ECG signal? Does it predict when the next R wave
is due to occur by determining the approximate frequency of R waves up
to that moment? Or is the correct answer something else entirely?

If anyone knows the answer, I would be very grateful for it.

Domen

.

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