16 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
for Infective Endocarditis ... ) - Culture negative ... #Infective #Endocarditis ... Pathogens #Diagnosis #Differential ... #InfectiousDiseases
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... infective endocarditis ... BCNIE #Causes #differential ... #Endocarditis # ... InfectiousDiseases
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... Cryoglobulinemia, Endocarditis ... Pauci-immune mediated (Negative ... Glomerulonephritis #Vasculitis #differential ... diagnosis #algorithm #rheumatology
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
Microangiopathy (TMA) - Differential ... Initial labs: CBC ... normal • DAT negative ... Microangiopathy #TMA #Differential ... Management #Algorithm #hematology
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Neutrophil (Normal) Differential ... likelihood of negative ... #Bandemia #differential ... #CBC #hematology ... #pathophysiology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... #Infective #Endocarditis ... #diagnosis #differential ... #workup #infectiousdiseases
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Erythrocytosis) - Differential ... Diagnosis Algorithm Relative ... - Normal RBC Mass ... Erythrocytosis #Differential ... Algorithm #Causes #Hematology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... , erythema and WBC ... • Bacterial endocarditis ... aureus • Gram-negative ... #Joint #pain #Differential
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
ATRA treatment Pathophysiology ... if high risk if WBC ... initiation • Differential ... QD until normal WBC ... diagnosis #management #hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
antiglobulin tests - Negative ... from ischemia WBC ... count and differential ... Diagnosis #Workup #Hematology