45 results
Lung Abscess
Microbiology:
 • Polymicrobial 
 • Anaerobes (most common) 
Clinical: 
 • Indolent symptoms that evolve
Lung Abscess Microbiology ... to rnonths • Fever ... , hemoptysis Treatment ... Abscess #Diagnosis #Pulmonary ... #Clinical #CXR
Hepatopulmonary Syndrome (HPS) 

HPS-differential diagnosis:
1. Pulmonary vasculature
2. Diseases of the lung parenchyma
3. Pleura and diaphragm

HPS-diagnosis:
1. Patients
Hepatopulmonary Syndrome ... Pulmonary vasculature ... Diseases of the lung ... Patients with liver ... #HPS #hepatology
Sarcoidosis
Stage 1 - Bilateral LAD without involvement of lung parenchyma
Stage 2 - Bilateral LAD with involvement
4 - Fibrosis Pulmonary ... chylothorax, and pulmonary ... sarcoid Lofgren Syndrome ... gland sweling, fever ... Stages #Staging #Signs
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
, dyspnea, +/- CXR ... - 80% have fever ... WBC >100k, + lab signs ... organ damage • Treatment ... diagnosis #management #hematology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
: • 80% have fever ... Blood cultures • CXR ... early disease) • CXR ... decubitus - air fluid level ... #Abscess #pulmonary
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
edema • BNP level ... ischemic changes CXR ... respiratory distress syndrome ... Transfusion-related acute lung ... differential #diagnosis #cardiology
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
the air-fluid level ... There is a lung ... airways leading to pulmonary ... #Clinical #Radiology ... #CXR #Pneumothorax
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Differentiation Syndrome ... Triggers: ATRA treatment ... common • Imaging: CXR ... - pulmonary opacities ... Renal Failure Treatment
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation Syndrome ... rash) • Heart, lung ... ALT ↑ bilirubin level ... Treatment: • Corticosteroids ... Diagnosis #Management #Hematology
Based on the images alone, it is usually not possible to determine the cause of the
Pulmonary hemorrhage ... with low oxygen level ... nodular interstitial lung ... Clinical #Diagnosis #Radiology ... #CXR #Lobar #Consolidation