18 results
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Acid-Base Disorders ... • Metabolic Acidosis ... • Respiratory Acidosis ... < 35 mmHg) #AcidBase ... Diagnosis #Algorithm #Causes
Acid Base Compensation - Directions - If all three variables (pH, HCO2, pCO2) move in the
Acid Base Compensation ... variables (pH, HCO2 ... , pCO2) move in ... Diagnosis #Nephro #AcidBase ... #Acidosis #Alkalosis
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
Acid Base and Blood ... 2. pCO2 - What’s ... the pCO2? ... MD @nickmmark #acidbase ... #workup #algorithm
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
Interpretation and Acid-Base ... Look at the pCO2 ... need to do more work ... Amy Chung, MD, MSc ... @AmyChung #AcidBase
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... MDaniyalHashmi1 #AcidBase ... bloodgas #Acid #Base
Acid-Base Disorders - Expected Compensation Equations

Metabolic Acidosis:
 • pCO2 = 1.5 x HCO3 + 8 ±
Acid-Base Disorders ... Equations Metabolic Acidosis ... Respiratory Acidosis ... ↓ 4 #Acid #Base ... #AcidBase #Disorders
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid Base ... than expected based ... Generally, for acid/base ... and ~5 mmHg to pCO2 ... Disorders #Evaluation #workup
Acid-Base Balance & ABG Normal Ranges Visualization #AcidBase #ABG #Medicine #Physiology #CriticalCare
Base Excess BE -2 to
Acid-Base Balance ... Visualization #AcidBase ... #CriticalCare Base ... 2 (4=metabolic acidosis ... ), paCO2 4.7-6
Acid-Base Balance & ABG Normal Ranges Visualization #AcidBase #ABG #Medicine #Physiology #CriticalCare
Base Excess BE -2 to
Acid-Base Balance ... Visualization #AcidBase ... #CriticalCare Base ... 2 (4=metabolic acidosis ... ), paCO2 4.7-6
#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
Osmolar Gap ACID-BASE ... HCO3d-HCO3m) Metabolic Acidosis ... 9 Respiratory Acidosis ... )/HCO3 Acid base ... 70 mmHg on 100% mask