66 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = PAO2 ... - PaO2 A-a gradient ... /0.8)] - PaO2 Normal ... Embolism, Obstructive Lung ... , Interstitial Lung
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 ... Classically” noted with pulmonary ... or restrictive lung
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Differential Diagnosis Algorithm ... • Metabolic Acidosis ... • Respiratory Acidosis ... (pCO2 > 40 mmHg ... 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 ... acidbase #workup #algorithm ... #diagnosis #acidosis
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Differential Diagnosis Algorithm ... Pneumonia • Pulmonary ... • Interstitial lung ... • Metabolic acidosis ... Differential #Diagnosis #Algorithm
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
consistent with pulmonary ... lobar collapse, lung ... collapse, or pulmonary ... - 200 mm Hg < PaO2 ... - 100 mm Hg < PaO2
Respiratory Acid-Base Disorders - Diagnosis Algorithm

#Respiratory #AcidBase #Disorders #Diagnosis #Algorithm #Pulmonary #Acidosis #Alkalosis
Disorders - Diagnosis Algorithm ... Disorders #Diagnosis #Algorithm ... #Pulmonary #Acidosis
POCUS Lung Algorithm for the Use of Ultrasound in the Evaluation of Dyspnea 

#Diagnosis #Management #CriticalCare
POCUS Lung Algorithm ... POCUS #Dyspnea #Algorithm ... #Ddxof #Lung #Pulmonary
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 ... depression, Obstructive Lung
Medications for High-Altitude Sickness 
Acetazolarnide 
 • Carbonic Anydrase Inhibitor Bicarb diuresis & metabolic Acidosis ->
diuresis & metabolic Acidosis ... Anti-emetic O2 (SaO2 ... • Decreases pulmonary