8 results
What's in a Blood Gas? VBG vs ABG

BOTTOM LINE: VBG is less painful, more easily obtained
, pH correlates ... very well, and PvCO2 ... EBM #Diagnosis #ABG ... #Versus #Comparison ... #PH #PCO2 #Studies
ABG vs VBG: Arterial vs Venous Blood Gases

ABG
PROS: Tells you exactly what the arterial environment looks
environment looks like (pH ... , PaCO2, HCO3) CONS ... serial exams #ABG ... #Correlation #Comparison ... #pH #pCO2 #Diagnosis
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Acid-Base Disorders ... Differential Diagnosis Algorithm ... Acidemia (pH < ... mmHg) Alkalemia (pH ... Differential #Diagnosis #Algorithm
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Values • pH: ... pCO2 ↓ ↓ Metabolic ... Summary #Nephrology #ABG ... #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 ... Look at the pH 2 ... direction of the pH ... AmyChung #AcidBase #ABG
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 ... ~5 mmHg to pCO2
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 ... 2. pCO2 - What’s ... the pCO2? ... acidbase #workup #algorithm
#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 ... H_def 0 mEq Acid ... )/HCO3 Acid base ... 50mmHg (acute I pH ... on FIO2 < 50% pH