APA |
V or mV |
Action Potential Amplitude, voltage difference between RMP and APO |
APD10 |
s or ms |
Action Potential Duration 10%, time taken to polarise from APO to APO - (0.1 * APA) |
APD20 |
s or ms |
Action Potential Duration 20%, time taken to polarise from APO to APO - (0.2 * APA) |
APD30 |
s or ms |
Action Potential Duration 30%, time taken to polarise from APO to APO - (0.3 * APA) |
APD50 |
s or ms |
Action Potential Duration 50%, time taken to polarise from APO to APO - (0.5 * APA) |
APD90 |
s or ms |
Action Potential Duration 90%, time taken to polarise from APO to APO - (0.9 * APA) |
APO |
V or mV |
Action Potential Overshoot, peak potential |
dVdtMax |
V/s |
Max rate of rise of upstroke |
Freq |
Hz |
Pulse generator output frequency, if active |
RMP |
V or mV |
Resting Membrane Potential, voltage immediately before stimulation |
t_dVdtMax |
s or ms |
Time of max rate of rise of upstroke, measured from upstroke start |
tAP |
s or ms |
Action potential time from upstroke to return to RMP |
tCon |
s or ms |
Conduction time, time between stimulation pulse and upstroke |