83 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
vs Venous Blood Gases ... environment looks like (pH ... , PaCO2, HCO3) CONS ... #Correlation #Comparison ... #pH #pCO2 #Diagnosis
Arterial Blood Gas (ABG) Analysis - Metabolic + Respiratory Acidosis + Alkalosis

pH ↓ pCO2 ↓ -
Arterial Blood Gas (ABG ... + Alkalosis pH ... acidosis pH ↑ ... alkalosis pH ↑ ... Arterial #BloodGas #ABG
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Algorithm Acidemia (pH ... Respiratory Acidosis (pCO2 ... mmHg) Alkalemia (pH ... Respiratory Alkalosis (pCO2 ... Diagnosis #Algorithm #Causes
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Values • pH: ... Alkalemia: • pH ... = Acidemia • pH ... Metabolic: pH ... pCO2 ↓ ↓ Metabolic
Blood Gas Analysis and Interpretation
STEPS TO ANALYSIS
1. Look at PH. Alkalotic or acidotic?
Look at PH. ... - pCO2 (respiratory ... component agrees with pH ... Whichever agrees with pH ... #BloodGas #ABG #
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
Blood Gas (ABG) ... Look at the pH 2 ... direction of the pH ... problem, is the pH ... AmyChung #AcidBase #ABG
Renal tubular acidosis (RTA): refers to a group of conditions all of which cause the same
conditions all of which cause ... different types/causes ... RenalTubularAcidosis #Features #Table ... #Comparison #PH
Crystalloid pH, Contents and Costs Compared
Plasma	pH 7.4
Normal Saline	pH 5.5*	
Ringer’s Lactate pH 6.5	
Plasmalyte A pH 6.5	
Coca-cola pH
Crystalloid pH, ... Compared Plasma pH ... Normal Saline pH ... #Contents #Comparison ... #Table #Pharmacology
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
the Anion Gap (AG ... Do you need an ABG ... approximates an ABG ... adding ~0.05 to pH ... and ~5 mmHg to pCO2