Pacemaker Operating Modes
1 - Chamber paced
A (atrium), V (ventricle), D (dual/both)
2 - Chamber sensed
A, V, D, O (if sensing is temporarily disabled)
3 - Response to sensed events
I - Inhibits pulse in response to sensed event
T - Triggers pulse in response to sensed event (A triggered only response has no clinical purpose)
D - Pulses can be either inhibited or triggered
O - No response to sensed events
4 - Rate modulation
R - Paced rate changes based on perceived physiologic need
(4th position is left blank if this function is not present)
- Dr. Eric Strong @DrEricStrong - Strong Medicine https://www.youtube.com/c/EricsMedi
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