36 results
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Differential Diagnosis Algorithm ... • Metabolic Acidosis ... • Respiratory Acidosis ... Respiratory Alkalosis (pCO2 ... Differential #Diagnosis #Algorithm
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 ... acidbase #workup #algorithm
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acute or chronic ... 7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... Compensation, Acute
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 ... Amy Chung, MD, MSc
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 ... the chronicity (acute ... , chronic, or acute ... : Lactic Acidosis
Acid-Base Disorders - Expected Compensation Equations

Metabolic Acidosis:
 • pCO2 = 1.5 x HCO3 + 8 ±
Equations Metabolic Acidosis ... Respiratory Acidosis ... : • Acute: ∆ pCO2 ... Alkalosis: • Acute ... #Respiratory #Acidosis
Tachypnea - Evaluation and Differential Diagnosis Algorithm
Alkalemia:
 • Acute Respiratory Alkalosis
 • Chronic Hypercapnic Respiratory Failure
Differential Diagnosis Algorithm ... Alkalemia: • Acute ... : • Metabolic Acidosis ... Superimposed • Acute ... Differential #Diagnosis #Algorithm
#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 ... 9 Respiratory Acidosis ... → ІнСО3 acute: ... > 50mmHg (acute ... 70 mmHg on 100% mask
Weaning from the Ventilator - Algorithm
Setting up for extubation success
 • Decrease demand — correct metabolic
the Ventilator - Algorithm ... correct metabolic acidosis ... , decrease CO2 production ... Weaning #Ventilator #Algorithm
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Unilateral Acute ... Differential Diagnosis Algorithm ... Optic Nerve • Acute ... Demyelination • MS ... Differential #Diagnosis #Algorithm