Ability of heart to produce electricity
Automaticity
Ability of heart to respond to electricsl response
Excitability
Abiloty of heart to transmit electrical activity
Conductivity
Degree of stretch
Preload
Degree of resistance
Afterload
% of blood left in LV and pumped out
Ejection Fraction
ECG
P |A depo| semiround, upright
QRS | V depo| tall, narrow
T | V repo| semiroind, upright, taller