13 results
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
, SCLE-DIL (terbinafine ... • Immunologic Workup ... 90% - Low complement ... Discontinuation of causal ... • Immunologic Workup
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
versus DIL • ... • Immunologic Workup ... Positive in 60-80% of cases ... 80% - Low complement ... Management #Summary #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Differential Diagnosis Algorithm ... Autoimmune • ITP • SLE ... • TTP/HUS • DIC ... #Causes #Hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... Differential Diagnosis Algorithm ... perfringens - Complement-Mediated ... • MAHA (TTP, DIC ... #Causes #Hematology
Thrombotic Microangiopathy - TMAs
1. Not all MAHAs are due to TMAs but (almost) all TMAs cause
almost) all TMAs cause ... is due to TTP, compliment-mediated ... children, so I did ... catastrophic APS, SRC, SLE ... Microangiopathy #TMAs #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Differential Diagnosis Algorithm ... genotypes): SS, SC, SE ... thrombocytopenia - DIC ... Differential #Diagnosis #Algorithm ... #workup #hematology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Differential Diagnosis Algorithm ... Better call hematology ... some time, let’s see ... about secondary causes ... #workup #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Urticaria and hypocomplementemia ... against MPO • Complement ... vasculitis, and SLE ... #classification
Drug Induced Lupus (DIL)
 • Epidemiology: -10% of all lupus cases, drug-dependent, 4:1 to 1:1 F:M
, SCLE-DIL (terbinafine ... • Immunologic Workup ... 90% - Low complement ... Discontinuation of causal ... #rheumatology #
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... • Low serum C4 complement ... diagnosis #types #classification ... #rheumatology #