13 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... neuromuscular disease, ↓ chest ... #Hypoxia #Differential ... Diagnosis #Algorithm #pulmonary ... #Aa #Gradient
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Abnormalities • Chest ... #Hypoxia #Differential ... Diagnosis #Algorithm #Causes
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... UnremarkableLab #AA ... #Hypoxia #hypoxemia ... #differential #
Causes of Intrauterine Growth Restriction / Small for Gestational Age - Differential Diagnosis Algorithm
Fetal Factors:
 -
Causes of Intrauterine ... Drugs - Maternal Hypoxemia ... • Pulmonary ... GestationalAge #SGA ... #Obstetrics #OBGyn
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... • Symptoms: Hypoxemic ... infiltrates on chest ... scattered crackles, chest ... #differential #diagnosis
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... , pain, fever, hypoxia ... Classically” noted with pulmonary ... with associated hypoxia ... Base #Gas #VBG #differential
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Respiratory: • Pulmonary ... Embolism • Hypoxia ... Sinus Syndrome (SA ... Diagnosis #Algorithm #causes
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Chronic cough • Hypoxia ... Most Common Causes ... polycythemia from chronic hypoxia ... #differential #
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
confirm reservoir bag ... using reservoir bag ... , 12-lead ECG, chest ... o Aspiration, pulmonary ... Airway #Pressure #Differential
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... Infarction and Pulmonary ... it difficult to differentiate ... life-threatening causes ... #Presentation #comparison