266 results
Arterial Blood Gas (ABG) Analysis - Metabolic + Respiratory Acidosis + Alkalosis

pH ↓ pCO2 ↓ -
+ Respiratory Acidosis ... Alkalosis pH ↓ pCO2 ... pH ↑ pCO2 ↑ - ... alkalosis pH ↑ pCO2 ... alkalosis pH ↓ pCO2
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
• Metabolic Acidosis ... HCO3 < 24mmol/L) CO2 ... • Respiratory Acidosis ... (pCO2 > 40 mmHg ... Respiratory Alkalosis (pCO2
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
2. pCO2 - What’s ... the pCO2? ... Respiratory Acidosis ... Medications, Central, ↑ CO2 ... gap metabolic acidosis
Acid Base Compensation - Directions - If all three variables (pH, HCO2, pCO2) move in the
variables (pH, HCO2 ... , pCO2) move in ... Nephro #AcidBase #Acidosis
Acid Base Disorders Worksheet

Step 1: Gather the necessary data (Na+, CI-, HCO3-, PH, pCO2). Preferably, all
CI-, HCO3-, PH, pCO2 ... has a primary acidosis ... . 3a: If pCO2 ... >40 patient's acidosis ... <40 patient's acidosis
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
patient have an acidosis ... Look at the pCO2 ... Metabolic Equal (If pCO2 ... the change in pCO2 ... is a metabolic acidosis
Blood Gas Analysis and Interpretation
STEPS TO ANALYSIS
1. Look at PH. Alkalotic or acidotic?
Alkalotic or acidotic ... - If acidotic ... then it is an acidosis ... - pCO2 (respiratory ... - alkalotic or acidotic
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
are they more acidotic ... and ~5 mmHg to pCO2 ... Gap Metabolic Acidosis ... : Lactic Acidosis ... Gap Metabolic Acidosis
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... ↓ ↓ Metabolic Acidosis ... For Metabolic Acidosis
#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
HCO3d-HCO3m) Metabolic Acidosis ... pCO2 = 0.9 (HCO3 ... 9 Respiratory Acidosis ... for each 10 - in pCO2 ... pk + log (HCO3/(PCO2