15 results
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
- Differential Diagnosis ... Pulmonary/Chest ... Pleural effusion, Pulmonary ... decompensated CHF ... , Anaphylaxis, Infection
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
- Differential Diagnosis ... Parenchyma • Chronic ... Syndrome • Chronic ... Lung Infection ... #HeartFailure #Cardiology
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
In these cases comparison ... Views of the upper lobe ... during a period of CHF ... #Clinical #Radiology ... #CXR #CHF #Cephalization
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
- Differential Diagnosis ... Acute Eos PNA • Chronic ... Pneumonia, COP, Chronic ... #Differential #Diagnosis ... #pulmonary #radiology
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Hx of asthma, CF ... , CNS, skin • Infectious ... Lung #Diseases #pulmonary ... #differential #diagnosis ... #comparison #table
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
85% • < 50% in chronic ... aches, joint pain, chest ... MC: CNS CSF: • ... India ink prep CSF ... pulmonary infection
Notice that even within each lobe there is a gravity dependent difference in density.
This is only
even within each lobe ... exsudate due to infection ... #Clinical #Radiology ... #CTChest #CHF # ... Alveolar #Pulmonary
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Immunocompromised status • Chronic ... encounters due to NTM: Chronic ... of right middle lobe ... massiliense in CF ... • Dyspnea, • Chest
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Upper Lobe Lung ... caused by a rigid chest ... aspergillosis - Chronic ... #differential #diagnosis ... #STARCHASERS #radiology
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
) Differential diagnosis ... smokers, upper lobe ... #Clinical #Diagnosis ... #Radiology #CTChest ... #UIP #Comparison