31 results
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... sources of infection ... • Soft tissue infections ... Sources #Causes ... Bacteria #Etiology #Differential
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
and Leukopenia ... Lymphocytosis: Infection ... Neutrophilia: Reactive (Infection ... • Monocytosis: Infection ... #hematology
Causes of Severe Aortic Regurgitation - Differential Diagnosis
Acute:
 • Leaflet: Traumatic Rupture, Acute Infective Endocarditis, Acute
Causes of Severe ... Regurgitation - Differential ... Endocarditis, Acute ... - Leaflet: • Infection ... : Infective Endocarditis
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Causes of Neutropenia ... Pancytopenia - Differential ... • Hematologic and ... malignancies • Infection ... #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... - Differential ... infiltration: malignancy, infection ... valve replacement, endocarditis ... Diagnosis #Framework #hematology
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - Differential ... Pyogenic/focal infection ... Causes: • Still's ... endocarditis Non-Infectious ... Fever #Patterns #Differential
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Endocarditis (BCNIE ... • Infection with ... special media) • Infection ... but important causes ... diagnosis #differential
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Hemoptysis - Differential ... Parenchyma: • Infection ... Kaposi's sarcoma • Rheumatologic ... regurgitation, Tricuspid endocarditis ... Diagnosis #pulmonary #causes
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Infectious: • Pre-existing ... devices (CIED) Non-Infectious ... Septic Emboli Cause ... Marantic (NTBE) Differential ... Paradoxical emboli via ASD
Causes of Night Sweats - Differential Diagnosis
 • Malignancy: Lymphoma, Leukemia, Other neoplasm
 • Infections: Human
Causes of Night ... Sweats - Differential ... Lung abscess, Endocarditis ... , Other infection ... Orchiectomy • Rheumatologic