240 results
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
O2 is inspired) PAO2 ... hypoxia) - Low PaO2 ... Low SvO2 → Low PaO2 ... Low SvO2 → Low PaO2 ... summary #pulmonary #differential
Arterial Blood Gas (ABG) Analysis - Metabolic + Respiratory Acidosis + Alkalosis

pH ↓ pCO2 ↓ -
Respiratory Acidosis + Alkalosis ... pH ↓ pCO2 ↓ ... ↑ - Metabolic alkalosis ... Respiratory alkalosis ... Compensation #acidosis #alkalosis
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 Simplified ... /0.8)] - PaO2 Normal ... Hypoxia #hypoxemia #differential
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Acid-Base Disorders - Differential ... • Metabolic Alkalosis ... • Respiratory Alkalosis ... (pCO2 < 35 mmHg ... AcidBase #Disorders #Differential
Acid Base Disorders Worksheet

Step 1: Gather the necessary data (Na+, CI-, HCO3-, PH, pCO2). Preferably, all
has a primary alkalosis ... >40 patient's alkalosis ... is -Y patient's alkalosis ... diagnoses using the differentials ... Worksheet #diagnosis #differential
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... 7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... acidosis Step 5 - Differential ... Base #Gas #VBG #differential
Blood Gas Analysis and Interpretation
STEPS TO ANALYSIS
1. Look at PH. Alkalotic or acidotic?
Alkalotic or acidotic ... - If alkalotic, ... then it is an alkalosis ... - pCO2 (respiratory ... component) - alkalotic
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
2. pCO2 - What’s ... the pCO2? ... production Respiratory alkalosis ... Salicylates Metabolic Alkalosis ... - Contraction alkalosis
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Evaluation and Differential ... more acidotic or alkalotic ... and ~5 mmHg to pCO2 ... Differential Diagnosis ... Evaluation #workup #Differential
Acid-Base Disorders - Differential Diagnosis Framework

 • Respiratory Acidosis
 • Respiratory Alkalosis
 • Metabolic Acidosis
 •
Acid-Base Disorders - Differential ... • Respiratory Alkalosis ... • Metabolic Alkalosis ... Disorders #nephrology #differential ... diagnosis #acidosis #alkalosis