7 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... : Atelectasis, ARDS ... , Interstitial Lung ... Hypoxia #hypoxemia #differential
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
including restrictive lung ... disease, pleuritic chest ... hyperventilation syndrome—a ... In lung disease ... #Pulmonary #Abnormalities
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Pulmonary Pathology ... bilateral B-lines - Normal ... Respiratory Distress Syndrome ... (ARDS): - Bilateral ... #differential #
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Edema - Differential ... respiratory distress syndrome ... (ARDS) • Opioid ... Transfusion-related acute lung ... #edema #NCPE #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Pneumonia: • 3 syndromes ... • CT: Halo sign ... Infections #HIV #AIDS ... #pulmonary #differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... 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
• Amiodarone half ... organizing pneumonia, ARDS ... respiratory distress syndrome ... Pleuritic chest ... Eosinophilia • Normal