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

BOTTOM LINE: VBG is less painful, more easily obtained
VBG vs ABG BOTTOM ... LINE: VBG is less ... obtained than ABG ... EBM #Diagnosis #ABG ... Comparison #PH #PCO2
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 ... serial exams #ABG ... #VBG #Laboratory ... Comparison #pH #pCO2
Arterial Blood Gas (ABG) Analysis - Metabolic + Respiratory Acidosis + Alkalosis

pH ↓ pCO2 ↓ -
Arterial Blood Gas (ABG ... Alkalosis pH ↓ pCO2 ... acidosis pH ↑ pCO2 ... alkalosis pH ↑ pCO2 ... Arterial #BloodGas #ABG
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Do you need an ABG ... for acid/base, a VBG ... approximates an ABG ... and ~5 mmHg to pCO2 ... Disorders #Evaluation #workup
Checklist for Evaluation of New-Onset Delirium in the ICU

Initial assessment 
 - 
Vital signs, neuro exam
Checklist for Evaluation ... differential - ABG ... /VBG only if hypercapneic ... tox/infectious workup ... Delirium #Evaluation #Workup
Blood Gas Analysis and Interpretation
STEPS TO ANALYSIS
1. Look at PH. Alkalotic or acidotic?
- pCO2 (respiratory ... #BloodGas #ABG # ... VBG #Analysis #Interpretation
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
ABG And BMP Normal ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... Summary #Nephrology #ABG ... Acid #Base #Gas #VBG
Capnography
Measurement of exhaled carbon dioxide can be used to confirm ETT placement, for safer procedural sedation,
- Alveolar CO2 ... • PvCO2 - Mixed ... venous CO2 • ... PaCO2 - Arterial ... on an ABG) The
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
Blood Gas (ABG) ... Look at the pCO2 ... the change in pCO2 ... need to do more work ... AmyChung #AcidBase #ABG
Approach to Selecting Respiratory Support:
-The role of noninvasive respiratory support is generally to reduce the patient's
the patient's work ... normalize the ABG ... than monitoring ABG ... failure), not the ABG ... to “blow off” CO2