12 results
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Pneumothorax - Effusion ... Interstitial - Nodular ... Radiology #Patterns #Lung ... #CXR #XRay #ChestCT ... #Differential #
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
disease, Pulmonary alveolar ... avium complex • Nodular ... Actinomyces spp., NHL; Lung ... pulmonary #diseases #differential ... #diagnosis #chestCT
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... , Interstitial Lung ... #AA #Gradient #alveolar ... Hypoxia #hypoxemia #differential
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
and Management Differential ... Pneumothorax, Alveolar ... Exam, POCUS (B-lines ... , lung sliding) ... STAT CXR, CTA Chest
Diagnosis and Management of Diffuse Alveolar Hemorrhage (DAH)
Blood escaping through the capillary wall into the alveoli,
wall into the alveoli ... • DAH triad: lung ... hemoptysis, anemia • Chest ... infiltrates, no pleural effusion ... Management #Pulmonary #Differential
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Varicella–Zoster virus NODULAR ... Aspergillosis PLEURAL EFFUSION ... Patterns #Pulmonary #Lung ... ComputedTomography #Differential ... #Diagnosis #Chest
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... consolidation or nodular ... phagocytic function of alveolar ... pneumonia, pleural effusion ... AIDS #pulmonary #differential
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Other tests: • CT chest ... LVEF, pericardial effusion ... leading to diffuse alveolar ... sparing of the lung ... typically seen on chest
CT and ultrasonographic features of COVID-19 pneumonia
Lung CT:
 - Thickened pleura
 - Ground glass shadow and
glass shadow and effusion ... consolidation - Pleural effusion ... mild infection; alveolar ... COVID19 #pneumonia #ChestCT ... #Ultrasound #POCUS
Amiodarone Induced Lung Toxicity Summary

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

How?  Possible
exudative pleural effusions ... Pleuritic chest ... macrophages in alveolar ... • Reticular + Nodular ... reticular opacities on chest