8 results
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Hypoxemic Respiratory ... Failure - Differential ... obesity-hypoventilation syndrome ... hepatopulmonary syndrome ... #hypoxia #Differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... , Interstitial Lung ... UnremarkableLab #AA ... #Hypoxia #hypoxemia ... #differential #
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
severity Acute Respiratory ... Distress Syndrome ... Embolism (PE): ... massive/submassive PE ... #differential #
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Edema - Differential ... BNP level <100 pg ... Etiology: • Acute respiratory ... distress syndrome ... Transfusion-related acute lung
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
including restrictive lung ... consider infarction, hypoxia ... hyperventilation syndrome—a ... Breathing #Patterns #Pulmonary ... Abnormalities #Abnormal
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
D-lactate (short bowel syndrome ... , pain, fever, hypoxia ... Classically” noted with pulmonary ... with associated hypoxia ... or restrictive lung
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... in the adjacent lung ... of the affected lung ... - BAR >1.0 is abnormal ... #differential #
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
Dose ≥ 400 mg per ... toxicity (e.g., acute respiratory ... distress syndrome ... Eosinophilia • Normal ... #diagnosis #management