8 results
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Hypersensitivity Pneumonitis, Respiratory ... Cystic Fibrosis, ABPA ... HiRes #HighRes #Chest
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Weakness, Loss of Chest ... Elasticity (flail chest ... UnremarkableLab #AA ... Hypoxia #hypoxemia #differential
Selected causes of acute respiratory failure in adults. 
 - Airway disorders 
 - Pulmonary edema
Selected causes of acute ... respiratory failure ... - Parenchymal lung ... disorders - Chest ... #Differential #
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Upper Lobe Lung ... - Aspergillus/ABPA ... caused by a rigid chest ... edema in acute ... #diseases #differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... Hypersensitivity: ABPA ... in the adjacent lung ... high-resolution chest ... #differential #
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... blood cells in the lung ... common causes of acute ... infiltrates on chest ... scattered crackles, chest
Amiodarone Induced Lung Toxicity Summary

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

How?  Possible
toxicity (e.g., acute ... respiratory distress ... Pleuritic chest ... reticular opacities on chest ... #diagnosis #management
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
presents with acute ... aches, joint pain, chest ... change in the lungs ... nails, bronchi, lungs ... Fungal #Diagnosis #Management