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Prep4USMLE » USMLE Step 1 Forum » Physiology Forum » Comments on Effective refractory period


 Effective refractory period  



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frontier

Forum Junior

Topics: 14
Posts: 26
Apr 28, 2005 - 12:04 AM       #1

I know what absolute refractory period means.
I do know what relative refractory period means.
However, I could never understand what effective refractory period means.
Can anybody help??


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pawan.doc

Forum Newbie

Topics: 2
Posts: 14
Apr 28, 2005 - 8:20 AM       #2

ARP is when an action potential cannot be caused no matter how strng d stimulus.whereas ERP is wen d normal stimulus which is conducted frm d normal surroundin tissue cannot cause depolarisation.


pawan.doc

Forum Newbie

Topics: 2
Posts: 14
Apr 28, 2005 - 8:30 AM       #3

sry not normal stimulus.any stimulus obtained frm d surroundin cells i guess.


99doc

Forum Elite

Topics: 52
Posts: 370
Apr 30, 2005 - 9:28 PM       #4

erp &arp are similar that they donot allow action potential to stimulate muscle however high may be the stimulus.
what we should remeber is the fact that
ERP>ARP
God knows why?


frontier

Forum Junior

Topics: 14
Posts: 26
May 01, 2005 - 8:12 AM       #5

Thanks a lot...





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