13 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Mismatch • Airway ... Malformation • Severe Pneumonia ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
- Differential Diagnosis ... Focal Alveolar: Pneumonia ... pHTN, Shock • Airway ... #hypoxia #Differential ... #Diagnosis #causes
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... Diagnosis Framework ... DISORDER • Difficulty ... • Causes: Pneumonia ... Diagnosis #pulmonary
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Associated Lung Ultrasound ... pleura reflection) Pneumonia ... severity Acute Respiratory ... #differential # ... diagnosis #signs
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
Diagnosis Framework ... Asthma • COPD • Pneumonia ... Pneumothorax • Upper airway ... • Pericardial effusion ... #Diagnosis #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Atelectasis, ARDS, Pneumonia ... #Hypoxia #hypoxemia ... #differential # ... diagnosis
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Diagnosis: Causes ... , pain, fever, hypoxia ... Classically” noted with pulmonary ... with associated hypoxia ... hypoventilation) - Airway
Differential Diagnosis of Respiratory Acid-Base Disorders
Alkalosis
A. Central nervous system stimulation: Pain, Anxiety, psychosis, Fever, Cerebrovascular accident,
Differential Diagnosis ... Hypoxemia or tissue ... hypoxia: High altitude ... , Pneumonia, pulmonary ... Airway: Obstruction
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... Diagnosis Framework ... with exertion, difficulty ... dyspnea, tachypnea, hypoxemia ... #diagnosis #NCPE
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
o Aspiration, pulmonary ... #Pressure #Differential ... #Anesthesiology ... Intraoperative #Checklist ... #Diagnosis #Management