16 results
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 ... very well, and PvCO2 ... #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
Arterial Blood Gas (ABG) Analysis - Metabolic + Respiratory Acidosis + Alkalosis

pH ↓ pCO2 ↓ -
Arterial Blood Gas (ABG ... - Metabolic + Respiratory ... ↓ - Respiratory ... ↑ - Respiratory ... Arterial #BloodGas #ABG
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Respiratory or Metabolic ... ABG And BMP Normal ... 7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2
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 ... Metabolic Equal (If pCO2 ... the change in pCO2 ... AmyChung #AcidBase #ABG
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Do you need an ABG ... approximates an ABG ... and ~5 mmHg to pCO2 ... retention • Respiratory ... Ventilation • Respiratory
Blood Gas Analysis and Interpretation
STEPS TO ANALYSIS
1. Look at PH. Alkalotic or acidotic?
- pCO2 (respiratory ... agrees with pH (respiratory ... #BloodGas #ABG # ... VBG #Analysis #Interpretation
Approach to Selecting Respiratory Support:
-The role of noninvasive respiratory support is generally to reduce the patient's
Approach to Selecting Respiratory ... of noninvasive respiratory ... normalize the ABG ... than monitoring ABG ... to “blow off” CO2
COPD phenotypes:  Blue Bloaters vs. Pink Puffers
The two most stereotypical forms of COPD are pink
causing ineffective CO2 ... a near-normal PaCO2 ... patients present with respiratory ... #BlueBloaters #Comparison
#ICUCard
RENAL
GFR
90-131
mL/min
((140-age)*Wt)/(72*Cr)
Glomerular Filtration Rate (Cockcroft)
CI Cr
90-131
mL/min
(CrU * volume)/CrS
Creatinine Clearance
FENa
0.0-1.0
%
((U/P Na)/(U/P Cr))*100
Fractional Excretion of Na+
Na req
mEq
(125-Na)*0.6*Wt
Required Sodium
FE Urea
Gap ACID-BASE AG ... pCO2 = 1.5 (HCO3 ... pCO2 = 0.9 (HCO3 ... )+9 Respiratory ... Respiratory Alkalosis