23 results
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
An acute reticular ... : Viral PCP Mycoplasma ... cough and some fever ... Clinical #Radiology #CXR ... #Acute #Interstitial
Causes of Acute Pediatric Cough - Differential Diagnosis Algorithm
No Fever, No Tachypnea
 - Normal Chest Auscultation
Causes of Acute ... Algorithm No Fever ... Fever, Tachypnea ... • Atypical or viral ... pneumonia #Acute
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,
loss, lethargy, fever ... • Fever, weight ... Cytopenias VIRAL ... Abdominal pain, chronic ... Infections #HIV #AIDS #pulmonary
Based on the images alone, it is usually not possible to determine the cause of the
or chronic illness ... Lobar pneumonia ... with cough and fever ... with low oxygen level ... Diagnosis #Radiology #CXR
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Non-Resolving Pneumonias ... yersinia/rats, Q fever ... Eosinophilic PNA (acute ... or chronic) ... #NonResolving #Pneumonia
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
this patient have pneumonia ... infiltrate (e.g., CXR ... , CT, ultrasound ... Inflammation (e.g., fever ... #Pneumonia #Venn
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Lung Diseases • Acute ... initiation of smoking; Fever ... brown sputum, fever ... Travel hx, food hx; Fever ... Lung #Diseases #pulmonary
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
common diagnoses Acute ... tobacco hx - Fever ... mechanical ventilation Chronic ... Consolidations AKA "inverse pulmonary ... #diagnosis #pulmonary
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Acute and Chronic ... Differential Diagnosis Pulmonary ... Pleural effusion, Pneumonia ... Pleural effusion, Pulmonary ... poisoning, DKA, Fever