23 results
ABG vs VBG: Arterial vs Venous Blood Gases

ABG
PROS: Tells you exactly what the arterial environment looks
ABG vs VBG: Arterial ... looks like (pH, PaCO2 ... serial exams #ABG ... #Correlation #Comparison ... #pH #pCO2 #Diagnosis
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
O2 is inspired) PAO2 ... reaches the alveoli) PaO2 ... blood (measured on ABG ... Low SvO2 → Low PaO2 ... summary #pulmonary #differential
What's in a Blood Gas? VBG vs ABG

BOTTOM LINE: VBG is less painful, more easily obtained
VBG vs ABG BOTTOM ... obtained than ABG ... EBM #Diagnosis #ABG ... #Versus #Comparison ... #PH #PCO2 #Studies
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... ABG And BMP Normal ... 35-45 mmHg • PaO2 ... Summary #Nephrology #ABG ... #differential
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
Oxygen Saturation - Measurement Techniques and Limitations
 • Sp02 - Cutaneous pulse oximeter
 • SaO2 Calculated
pulse oximeter • SaO2 ... Point-of-care handheld ABG ... device • SaO2 ... pulmonary #diagnosis #comparison
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
Hypoglycemia Workup and Differential Diagnosis
Workup:
 • Sulfonylurea Labs
 • Anti-lnsulin Ab - Insulin Autoimmune Syndrome
 •
Hypoglycemia Workup ... and Differential ... Diagnosis Workup ... #Hypoglycemia #Workup ... #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
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