11 results
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
/AIDS Patients ... disease, Pulmonary ... alveolar proteinosis ... Actinomyces spp., NHL; Lung ... #diagnosis #chestCT
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... : Atelectasis, ARDS ... • Diffusion Defect ... , Interstitial Lung ... #differential #diagnosis
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
severe cases - Dynamic ... Distress Syndrome (ARDS ... submassive PE) POCUS ... #differential #diagnosis ... #signs #Lung #POCUS
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
- Differential Diagnosis ... Pericardial • Effusion ... Thickening/Masses Chest ... Alveoli • Pneumonia ... • ARDS • COPD
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Upper Lobe Lung ... caused by a rigid chest ... Pulmonary Diseases ... With Upper Lobe ... #diagnosis #mnemonic
Blastomycosis (Blastomyces): Gilchrist’s disease, Chicago disease - Summary Sheet
 • Morphology
 • Geography, Reservoir and Mode
small pleural effusions ... presentation of TB, lung ... is described as alveolar ... with an upper lobe ... #Blastomyces #diagnosis
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... Inflammatory eye disease ... LVEF, pericardial effusion ... leading to diffuse alveolar ... sparing of the lung
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Framework Disease ... phagocytic function of alveolar ... pneumonia, pleural effusion ... Infections #HIV #AIDS ... #pulmonary #differential
Amiodarone Induced Lung Toxicity Summary

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

How?  Possible
organizing pneumonia, ARDS ... exudative pleural effusions ... Pleuritic chest ... macrophages in alveolar ... reticular opacities on chest
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
- Differential Diagnosis ... blood cells in the lung ... the right middle lobe ... interstitium and alveoli ... infiltrates on chest