AVNRT - ANSFast pathway with long refractory duration, sluggish pathway with brief
refractory duration
Early impulse goes down gradual pathway, up fast pathway
Treated with the aid of ablating sluggish pathway
AVRT - ANSManifest (delta wave on ECG, WPW, pass tract conducts antegradely) or
concealed (now not seen on ECG, bypass tract conducts retrogradely)
Excitable hole - ANSTime duration between head and tail of reentrant circuit
Premature stimuli introduced right here cuts off head of reentrant circuit
Phases of cardiac action capacity - ANSPhase 0: fast depolarization, TMP -60/-70mV, Na+
in
Phase 1: offshoot ability, K+/Cl- out
Phase 2: plateau, Ca2+ and Na+ in, K+ out
Phase three: repolarization, K+ out
Phase four: RMP
Energy Equation - ANSE = (V^2/R) * t
E=V*I*t
E= I^2 * R * t
A, V, myopotential signal frequencies - ANSA 80-100Hz, V 10-30Hz, myopotential 10-200Hz
Afterpotential - ANSLow amplitude wave of opp polarity that follows output waveform
Slew charge - ANSPeak slope of growing EGM, max price of change of electrical capacity
between sensing electrodes
Want as a minimum 0.5V/s
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