9 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid ... Generally, for acid ... an ABG by adding ... ~0.05 to pH and ... Disorders #Evaluation #workup
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... ABG And BMP Normal ... - Diarrhea - Renal ... Summary #Nephrology #ABG ... #bloodgas #Acid
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Normal Anion-Gap Acidosis ... Framework and Workup ... NAGMA - Chem, ABG ... Tubular Acidosis ... Differential #Diagnosis #Workup
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 ... need to do more work ... AmyChung #AcidBase #ABG ... Interpretation #BloodGas
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
Acid Base and Blood ... Gas Analysis 1. pH ... Respiratory Acidosis ... nickmmark #acidbase #workup ... #respiratory #bloodgas
Lactic Acidosis - Differential Diagnosis Framework

Type A: Impaired O2 Delivery (DO2)
 • Decreased O2 Delivery: Hypotension
Lactic Acidosis ... Beta-Agonists, ↑ work ... PRIS), Valproic Acid ... liver Failure, Renal ... • Presents as AG
1
Formation of organic acids
Lactate, dissociated fatty acids, acetic acids, etc.
Metabolism
H formationt
4
Hyperkalemia
ЗНСО,
Na
2
Mineralization
3
Hypoventilation
CO;
POA
3-
HCO;
6
CO, output # with expiration
Diarrhea
5
H*-
Proximal tubule
Renal
, acetic acids, ... Proximal tubule Renal ... Hypoaldo- steronism Arg ... 8 [Co] HO pH ... [CO,] <7.35 #Acidosis
The crusade against “Ab”Normal Saline continues.  This is a non-physiologic fluid that can harm our
crusade against “Ab ... ECF and ICF both work ... leads to Metabolic Acidosis ... Metabolic Acidosis ... against the drop in pH
#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
#ICUCard RENAL ... (Na U(U/P Cr) Renal ... 9 Respiratory Acidosis ... 50mmHg (acute I pH ... on FIO2 < 50% pH