9 results
Acid Base Disorders - Blood Gas Interpretation

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

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Framework and Workup ... NAGMA - Chem, ABG ... or VBG - Calculate ... NonAnionGap #Acidosis #Metabolic ... Differential #Diagnosis #Workup
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 ... • Salicylates Metabolic ... nickmmark #acidbase #workup ... #respiratory #bloodgas
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, ... Metabolism H formationt ... Proximal tubule Renal ... Hypoaldo- steronism Arg ... 8 [Co] HO pH
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 ... inevitably leads to Metabolic ... Metabolic Acidosis ... against the drop in pH
Lactic Acidosis - Differential Diagnosis Framework

Type A: Impaired O2 Delivery (DO2)
 • Decreased O2 Delivery: Hypotension
Beta-Agonists, ↑ work ... PRIS), Valproic Acid ... liver Failure, Renal ... Inborn Errors of Metabolism ... • Presents as AG
#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 ... (HCO3d-HCO3m) Metabolic ... 50mmHg (acute I pH ... on FIO2 < 50% pH