23 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
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
Differential Diagnosis Algorithm ... Acidemia (pH < ... Respiratory Acidosis (pCO2 ... mmHg) Alkalemia (pH ... Respiratory Alkalosis (pCO2
Non-Invasive Ventilation (BiPAP) Algorithm - Indications and Contraindications
Indications for NIV:
 • COPD - pH <7.35, pCO2
Ventilation (BiPAP) Algorithm ... NIV: • COPD - pH ... <7.35, pCO2 >6.5 ... and pCO2 >6.5 ... Ventilation #BiPAP #Algorithm
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Values • pH: ... Alkalemia: • pH ... = Acidemia • pH ... pCO2 ↓ ↓ Metabolic ... Summary #Nephrology #ABG
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
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
Gas Analysis 1. pH ... 2. pCO2 - What’s ... the pCO2? ... Medications, Central, ↑ CO2 ... acidbase #workup #algorithm
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