The most co mm on ca u ses of a ni o ni c gap metabolic ac id os is and their

The most co mm on ca u ses of a ni o ni c gap

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The most co mm on ca u ses of a ni o ni c gap metabolic ac id os is and their co rresponding unm eas ured a ni ons that co mpose the a ni on gap are : 1. Lactic ac i dos is (l actate) 2. Ketoac i dos is (beta-hy dro xy butyr ate , acetoacetic ac id) 3. Methano l/ fo rm a ld ehy de in gestion ( fo rmi c ac id) 4. Ethylene gly co l in gestion (gly co lic ac i d, oxalic ac id) 5. Sa lic yl ate po i so ning ( sa lic yli c, lactic, s ul furic a nd ph osp horic ac id s) 6. Ure mi a ( ESRD ) (im pa ir ed ex cre ti on of H+ ) Educational objective: The a ni on gap ( AG ) r ep r ese n ts the co n ce ntration of unm eas ured se rum a ni on s. In a ni on gap metabo lic ac i dos is, th e a ni on gap is in creased by the ab no rm al pr ese n ce of non -c hl or in ated ac i ds in the se rum . Ti me Spe n t: 3 seco nd s Cop yri ght © UWo rld Las t updated: [06/24/2016]
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Item: ca ?Mark ~ [> !f ~ ~ , ~ 0. ld : 2796 Prev1ous Ne>tt Lab Values Notes Calculator Reverse Color Text Zoom A 32-y ea r-old man wi th ty pe 1 diabetes mellitus co m es to the eme r ge ncy department with a 2-day history of nausea and abdo min al pa in. The patient h as chronic inter mi ttent diarrh ea and lower back pa in fo r which he ta k es aceta min op hen. He does not u se tobacco or illicit d ru gs . He liv es alone and drin ks al co hol occasionally. The pa ti ent's te m pe ratu re is 37 .6 C ( 99 .7 F ), bl oo d pressu re is 1 22 / 86 mm Hg , pul se is 88 /min, and respirations are 25 /min. Laboratory r es ul ts are as fo llows: Ser um che mi stry Sod ium Potass ium Chloride Bi ca r bo nate Blood urea nitrogen Creatinine Glucose Arte ri al bl oo d gases pH Pa0 2 PaC0 2 1 32 m Eq /L 5.0 m Eq /L 90 mEq/L 14 m Eq /L 19 mg /d L 1.1 mg/ dl 450 mg /d l 7.31 90 mm Hg 29 mm Hg Which of the fo llowing best desc ri bes this patient's ac id-base statu s? 0 A. No rm al ac id-base status 0 B. P rim ary metabolic ac idosis wi th respiratory co m pe nsation 0 C. P rim ary metabolic ac idosis without compensation 0 D. P rim ary metabolic alkal os is wi th renal co m pe nsation 0 E. Resp iratory ac idosis with co m pe nsation ~ Feedback Su ~ nd EnQock ------------------------------------------------------
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Item: ca ?Mark ~ [> !f ~ ~ , ~ 0. ld : 2796 Prev1ous Ne>tt Lab Values Notes Calculator Reverse Color Text Zoom A 32-y ea r -o ld man with ty pe 1 di abet es mellitus co m es to the emer ge ncy department with a 2-day hi sto ry of nau sea a nd ab do min al pa in . The pa ti ent h as chro ni c inte rmi tte nt di a rrh ea a nd lower b ac k pa in fo r which he ta k es ace ta min op hen. He d oes not u se tobacco or illicit dru gs . He liv es alone a nd drinks al co hol occasionally. The patien t's tem pe rature is 37 .6 C ( 99 .7 F ), bl oo d pr ess ure is 1 22 / 86 mm H g, p ul se is 88 /min, a nd resp ira ti ons are 25 /min . Labo r ato ry r es ul ts are as fo llows: Ser um che mi stry So dium Potass ium C hl o rid e Bicarbon ate Bl oo d ur ea ni tr oge n Creatinine G lu cose Arte ri al bl oo d gases pH Pa0 2 PaC0 2 1 32 mEq/L 5.0 mEq/L 90 mEq/L 14 mEq/L 19 mg /d L 1.1 mg /d L 450 mg /d L 7.31 90 mm Hg 29 mm Hg Whi ch of th e fo llowing best d esc ri bes t hi s patien t's ac id -b ase status?
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