68 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... antibiotics as a cause ... Mycobacteria - Fungal ... histoplasmosis Liver ... Differential #Diagnosis #InfectiousDiseases
Kerion
Raised, boggy lesion with heaped up purulent nodules 
Caused by host's response to a fungal ringworm
purulent nodules Caused ... response to a fungal ... Hair loss • Fever ... Lymphadenopathy Treatment
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
Diagnosis: • Direct fungal ... Increased protein level ... normal glucose level ... ) #Mycoses #InfectiousDiseases ... #Fungal #Diagnosis
Hantavirus
Pathogen: Hantavirus - Rodents are the primary reservoir
Transmission:
 • Shed in the urine, feces, saliva of
barns and lake houses ... • Prodrome: fever ... • Autopsy PCR Treatment ... diagnosis #management #treatment ... #microbiology #infectiousdiseases
Soil Related Infections - Differential Diagnosis Framework

Mechanism Of Infection:
 • Wound
 • GI: Ingestion, MUD, Contaminated
include: bacteria, fungi ... cause primary pulmonary ... dyspnea, possible fever ... or sinus fungus ... differential #diagnosis #InfectiousDiseases
Liver Abscess
•	Pyogenic abscess, accounts for 80% of abscess.
•	Amebic abscess due to Entamoeba histolytica, accounts for 10%.
•	Fungal
Fungal abscess ... the bacterial cases ... abscess & antibiotic treatment ... cornerstones of treatment ... drainage- first-line treatment
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... decubitus - air fluid level ... Prevotella • Fungal ... Lung #Abscess #pulmonary ... #differential #causes
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
infections are caused ... presentations: • Pulmonary ... this morphology Treatment ... Diagnosis #Management #treatment ... #fungal #infectiousdiseases
Constrictive Pericarditis on POCUS Echocardiogram - Apical 3-Chamber View

Young Lupus patient admitted to hospital new onset
Pericarditis on POCUS ... Echocardiogram ... could pinpoint the cause ... diagnostic tap-fever ... #Echocardiogram
Salicylate Toxicity - Diagnosis and Management

Consider if:
1) Patient is hot and altered
2) You see tachypnea with
no respiratory cause ... , Diaphoresis, Pulmonary ... Glucose, Salicylate level ... Toxic Salicylate Level ... diagnosis #management #Treatment