Here are some links to blogs and other useful sites in nephrology and renal physiology.
Blogs & podcasts
nephJC : RFN : AJKD : uKidney : PB-fluids : landmark-nephrology : last-month : visualmed : 2min-medicine : Curbsiders : SALT : history
Reference
core-curriculum : AJKD-atlas : edren : youtube-path
Guidelines
KDIGO : RA : ERBP : EULAR : KDOQI
Journals
JASN : CJASN : KI : NDT : AJKD : transplantation : lancet : NEJM : annals-int-med : JAMA : nature