6 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid ... Start with the Anion ... Generally, for acid ... Diagnosis: • Anion ... @EmmGeezee #Acid
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Anion gap? ... ↑ ↑ Metabolic alkalosis ... Acidosis ↑ ↓ Resp Alkalosis ... #bloodgas #Acid
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
Blood Gas (ABG) ... Interpretation and Acid-Base ... acidosis or an alkalosis ... do more work = ANION ... AmyChung #AcidBase #ABG
1
Consumption of organic anions
2
Demineralization
3
Lactate, dissociated fatty acids, etc.
Metabolism
Ht consumptiont
cos-
РО}-
HPOT
HCO3
Hyperventilation
CO, output with expiration†
6
Vomiting
Нуро-
kalemia
Нуро-
volemia
H
HCO;
4
ЗНСОз
Nat
5
Na
Proximal tubules
Hypopara-thyroidism
Aldosteronet
7
Liver failure
Urea
Distal nephron
NH4
Cys •-
Met
Consumption of organic anions ... dissociated fatty acids ... deficiency 8 Arg ... [HC03] >7.45 #Alkalosis
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
Acid-base ... Metabolic alkalosis ... Vitamin or folic acid ... nonreabsorbed anions ... Low #Potassium #Classification
#ICUCard
RENAL
GFR
90-131
mL/min
((140-age)*Wt)/(72*Cr)
Glomerular Filtration Rate (Cockcroft)
CI Cr
90-131
mL/min
(CrU * volume)/CrS
Creatinine Clearance
FENa
0.0-1.0
%
((U/P Na)/(U/P Cr))*100
Fractional Excretion of Na+
Na req
mEq
(125-Na)*0.6*Wt
Required Sodium
FE Urea
AG S 8-16 mEq ... - (Cl + НСО3) Anion ... H_def 0 mEq Acid ... 2)| Metabolic Alkalosis ... pCO2 Respiratory Alkalosis