Descriptive ethics will hence try to oversee whether ethics still holds its place. Because descriptive ethics involves empirical investigation, it is a field that is usually investigated by those working in the fields of evolutionary biology, psychology, sociology or anthropology. Information that comes from descriptive ethics is, however, also used in philosophical arguments.
To deactivate an ICD or alter pacemaker function, a magnet has to have a field strength of 10 gauss (a unit of magnetic strength) or greater next to the surface of the device. A magnet in a stereo speaker has a field strength of 100 gauss at the surface - but 0 gauss 6 inches away.
Failure to capture is when the pacemaker signal fires but there is no response. This is identified by having pacing spikes present with no resulting QRS, (capture). The example below shows the first two ventricular paced beats capture, then the next two spikes fire but there is no capture. The last beat captures. Pacemaker Failure to Sense. In most cases, sensing problems are less threatening and can be corrected by performing a pacemaker interrogation. Sensing problems include undersensing where the pacemaker fails to sense the native cardiac rhythm.