Toronto, Ontario. (I understand I play an EU server.)
Get a stam trinket. But yeah, you can do the first wing, festergut's a bit iffy, rotface is np if you kite well(If you're kiting). Erm...Sorry for the terrible vocab.
Corroded Skeleton Key will give you 2,280 health to have fun with, and even an essence of gossamer is another 1180 health. I personally prefer stam stacking, and those two trinkets will push your health over 40k.
Black Heart will be easier to farm than Gossamer, and it's a better trinket by a long shot. Also don't discount the Glyph from Triumph badges. One of those + Skeleton key would be ideal. The two trinkets you're wearing are not that great for 95% of fights in the game currently.
A couple more things I think would do to edge up survivability..
+225 Armor Cloak
Frost Emblem Belt for bonus armor
+18 STA Gloves
Malygos(EoE 10) drops Barricade of Eternity if you can get in there, Splintered Door Citadel or TOC Anubarak Shield would be ideal
TOC 25 drops upgrade bracers (Shieldmaiden or something)
Get your Blacksmithing up to get those 2 extra sockets..
Trinkets: Black Heart, Corroded Skeleton Key, Glyph of Indom, or Essence of Goss at least. Run Black Heart and Indom until you can get Key.. Or run Black Heart and Essence if you cant get either of the emblem trinks and get lucky with drops.
ICC Rep runs might yield you Rowans Rifle of Silver Bullets to replace ranged..
Other than that looking pretty good.. Get those trinks, couple upgrades from TOC25 and new shield with the new enchants you should be ready to rock.. You could probably get through the 1st couple now but 27k armor is a bit low imo.
Also check loot comparison tool at guildox.com if you are unsure about what upgrades to be looking for.. Its handy.