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

BOTTOM LINE: VBG is less painful, more easily obtained
VBG vs ABG BOTTOM ... , pH correlates ... 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
ABG vs VBG: Arterial ... Blood Gases ABG ... environment looks like (pH ... #Correlation #Comparison ... #pH #pCO2 #Diagnosis
Arterial Blood Gas (ABG) Analysis - Metabolic + Respiratory Acidosis + Alkalosis

pH ↓ pCO2 ↓ -
Arterial Blood Gas (ABG ... + Alkalosis pH ... Metabolic acidosis pH ... Metabolic alkalosis pH ... Arterial #BloodGas #ABG
Venous Oxygen Saturation to qualify reliability of VBGs
#Diagnosis #VBG #ABG #Saturation #Conversion #Reliability #Comparison
VBGs #Diagnosis #VBG ... #ABG #Saturation ... #Reliability #Comparison
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Values • pH: ... Alkalemia: • pH ... = Acidemia • pH ... Metabolic: pH ... Summary #Nephrology #ABG
Blood Gas Analysis and Interpretation
STEPS TO ANALYSIS
1. Look at PH. Alkalotic or acidotic?
Look at PH. ... component agrees with pH ... Whichever agrees with pH ... #BloodGas #ABG # ... VBG #Analysis #Interpretation
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 ... Plasmalyte A pH ... #Contents #Comparison
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
the Anion Gap (AG ... the change in AG ... Do you need an ABG ... approximates an ABG ... adding ~0.05 to pH
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
NAGMA - Chem, ABG ... or VBG - Calculate ... UA with urine pH ... secretion • Urine pH ... : • Urine pH
Severe Asthma Exacerbation
Signs of a Severe Asthma Exacerbation:
 • Vitals: ↑HR ↑RR ↓SpO2
 • High work
poor air flow • ABG ... High pCO2 / low pH ... Abnormally normal ABG ... ventilation #mechanical #management