9 results
Morphology of Fungal Infections in Tissues
Fungal infections with hyphae or pseudohyphae in tissues:
 • Yeasts with
Morphology of Fungal ... febrilepodcast #Morphology ... differential #diagnosis #atlas ... #infectiousdiseases
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
• Infection: Extrapulmonary ... tuberculosis, Abscess, Endocarditis ... Infected thrombosis, (e.g ... Inflammatory Diseases (e.g
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Blood Cell (RBC) Morphology ... Chemotherapy (e.g ... BloodCell #RBC #Morphology ... hematology #microscopy #atlas
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Endocarditis Summary ... Hypercoagulable (APLAS ... Prosthetic Valve Endocarditis ... ↑ ESR, CRP • EKG ... #Endocarditis
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
immunosuppression (eg ... Endophthalmitis, Endocarditis ... sometimes have this morphology ... treatment #fungal #infectiousdiseases
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
• History of BCG ... immunocompromised (e.g ... diagnostic accuracy Extrapulmonary ... LatentTB #ActiveTB #InfectiousDiseases
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Culture-Negative Infective Endocarditis ... special stains (e.g ... Negative #Infective #Endocarditis ... differential #workup #infectiousdiseases
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Endocarditis - Overview ... Hypercoagulable (APLAS ... ↑ ESR, CRP • EKG ... #Endocarditis ... Diagnosis #cardiology #infectiousdiseases
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
occurs and produces extrapulmonary ... arthritis, and endocarditis ... ) #Mycoses #InfectiousDiseases