50 results
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Non-Resolving Pneumonias ... psittaci/avian, leptospirosis ... yersinia/rats, Q fever ... Eosinophilic PNA (acute ... #diagnosis #pulmonary
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Frequent Differential Diagnoses ... , acute HIV infection ... Cough, dyspnea - Pneumonia ... , Lassa fever, acute ... #differential #diagnosis
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... • Acute bacterial ... • Leptospirosis ... • Malaria • Leptospirosis ... #Differential #Diagnosis
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
Microbial Etiology of Acute ... Pharyngotonsillitis, scarlet fever ... HIV - Primary acute ... Pharyngitis #IDSA #diagnosis ... causes #bacteria #microbiology
Leptospirosis
Pathogen: Leptospira (interrogans, kirschneri, noguchii)
Risk Factors:
 • Occupational exposure - Farmers, ranchers, trappers, veterinarians
 • Recreational
Leptospirosis Pathogen ... failure • Severe pulmonary ... Epidemiologic exposure + clinical ... #Leptospira #microbiology ... #diagnosis #treatment
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
excluded more common diagnoses ... Acute Eosinophilic ... tobacco hx - Fever ... Consolidations AKA "inverse pulmonary ... #diagnosis #pulmonary
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Clinical manifestations ... cough, dyspnea, fever ... - Diagnosis: ... , Pulmonary lymphoma ... #ILD #diagnosis
Lung Abscess
Microbiology:
 • Polymicrobial 
 • Anaerobes (most common) 
Clinical: 
 • Indolent symptoms that evolve
Lung Abscess Microbiology ... most common) Clinical ... to rnonths • Fever ... Lung #Abscess #Diagnosis ... #Pulmonary #Clinical
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
B-Lines in case of Pneumonia ... healthy pt with fever ... /lung sliding: Pulmonary ... NOT definitively diagnose ... #Lung #POCUS #clinical
Differential Diagnosis - Noninfectious Causes of Fever

CRITICAL DIAGNOSES:
 - Acute myocardial infarction
 - Pulmonary embolism or
CRITICAL DIAGNOSES ... : - Acute myocardial ... infarction - Pulmonary ... Thyroid storm - Acute ... Transfusion reaction - Pulmonary