58 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Culture Negative Abscess ... Dracunculiasis - Non-Infectious ... Blastomycosis - Non-Infectious ... Culture #Negative #Abscess ... Differential #Diagnosis #InfectiousDiseases
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Subacute: • Acute Infections ... : Lung abscess, ... Emboli, Fungal Infection ... ): • Chronic Infections ... , NTB, Fungal, Parasitic
Differential diagnosis for pyogenic liver abscess:
Infectious etiologies predominate. Most are pyogenic (bacterial). Amebic (Entamoeba histolytica) and
pyogenic liver abscess ... : Infectious etiologies ... Infectious Bacterial ... Pyogenic Liver Abscess ... Endemic Fungi Parasite
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
eg.malaria) • Other parasites ... Organ Specific Infection ... Respiratory Tract Infection ... Urinary Tract Infection ... Abscess: • Head
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
Mycobacterial Infections ... Mycobacterium abscessus ... cause pulmonary infection ... other site of infection ... #differential #infectiousdiseases
CENTRAL FACIAL / NASAL LESIONS
Bacteria:
 • Leprosy (saddle nose deformity)
 • Tuberculosis (lupus vulgaris)l
 • Endemic
Endemic treponemal infection ... Invasive mold infection ... Blastomycosis Parasite ... Central #Lesions #infections ... #diagnosis #infectiousdiseases
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
• Trauma Non-infectious ... Organ Specific Infection ... • Infectious ... Osteomyelitis • Occult abscess ... malaria) • other parasites
Differential diagnosis of Skin + Eye infections
 • Bacterial: Staph spp, Strep spp, Pseudomonas spp, Bartonella,
of Skin + Eye infections ... tuberculosis, M. abscessus ... , M. leprae • Parasitic ... #dermatology #InfectiousDiseases ... #Infections #Differential
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Diagnosis: • Non-Infectious ... Viral, Fungal, Parasite ... take 48 hrs for infections ... Source control (abscess ... rxn), Secondary infection
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
B, hepatitis C infection ... rickettsioses, amebic abscess ... , amebic liver abscess ... Bacterial, viral, parasitic ... , amebic liver abscess