Bedside monitor
No ECG signal. The patient is not connected to the bedside monitor.
HR (ECG)
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ABP (simulated)
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Pacemaker
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On the ECG: P sinus · pP paced P · F flutter wave · R conducted · J junctional · JE/VE escape · V paced QRS · Fu fusion · ✕ no capture · ps pseudofusion
Device markers: AS/VS sensed · AP/VP paced · AR refractory sense · * sensed non-cardiac signal
What just happened
Explanations are off.
Sensing: the fence
The sensitivity setting is a fence. The pacemaker only “sees” what is taller than the fence. Lower fence (smaller mV) = sees more = more sensitive. Higher fence (larger mV) = sees less = less sensitive.
Bedside actions
Actions are recorded.