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

BOTTOM LINE: VBG is less painful, more easily obtained
obtained than ABG ... 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
ABG vs VBG: Arterial ... Blood Gases ABG ... looks like (pH, PaCO2 ... #Correlation #Comparison ... #pH #pCO2 #Diagnosis
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Evaluation and Differential ... Do you need an ABG ... approximates an ABG ... and ~5 mmHg to pCO2 ... Disorders #Evaluation #workup
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... ABG And BMP Normal ... Metabolic: pH pCO2 ... acidosis Step 5 - Differential ... #differential
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
type of hypoxia) PIO2 ... O2 is inspired) PAO2 ... blood (measured on ABG ... Low SvO2 → Low PaO2 ... summary #pulmonary #differential
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
Hypoglycemia Workup and Differential Diagnosis
Workup:
 • Sulfonylurea Labs
 • Anti-lnsulin Ab - Insulin Autoimmune Syndrome
 •
Hypoglycemia Workup ... and Differential ... Diagnosis Workup ... #Hypoglycemia #Workup ... #Differential #
Severe Asthma Exacerbation
Signs of a Severe Asthma Exacerbation:
 • Vitals: ↑HR ↑RR ↓SpO2
 • High work
↓SpO2 • High work ... poor air flow • ABG ... : - High pCO2 ... Abnormally normal ABG ... with increased work
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
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
arterial oxygen (PaO2 ... compensate for low PaO2 ... hypoxia #hypoxemia #differential ... #diagnosis #comparison