26 results
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - ... 104°F) • Lobar pneumonia ... gram-negative pneumonia ... • Acute bacterial ... • Acute bacterial
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
An acute reticular ... pattern is most ... cough and some fever ... This was a PCP-infection ... #Clinical #Radiology
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
, acute HIV infection ... Cough, dyspnea - Pneumonia ... melioidosis, typhoid, pulmonary ... eosinophilia - Tropical pulmonary ... , Lassa fever, acute
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... loss, lethargy, fever ... • Fever, weight ... Microsporidium #Lung #Infections ... #HIV #AIDS #pulmonary
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Edema, Hemorrhage, Pneumonia ... Hypersensitivity Pneumonia ... #CT #Patterns # ... #radiology
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Lung Diseases • Acute ... initiation of smoking; Fever ... brown sputum, fever ... , CNS, skin • Infectious ... Travel hx, food hx; Fever
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Non-Resolving Pneumonias ... Etiologies Unusual Infections ... yersinia/rats, Q fever ... Eosinophilic PNA (acute ... #NonResolving #Pneumonia
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... - Chest Radiology ... rarely typical pneumonia ... #Chest #Radiology ... differential #diagnosis #pulmonary
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
common diagnoses Acute ... tobacco hx - Fever ... Dyspnea+, Pleuritic Chest ... Consolidations AKA "inverse pulmonary ... #diagnosis #pulmonary
Based on the images alone, it is usually not possible to determine the cause of the
considered, like acute ... between these chest ... Lobar pneumonia ... with cough and fever ... Clinical #Diagnosis #Radiology