18 results
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Low Mean Corpuscular ... Inflammation, Chronic Infection ... #Anemia #MCV #Classification ... #Causes #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Differential Diagnosis Algorithm ... Autoimmune • ITP • SLE ... Vasculitis • Infection ... #Causes #Hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
diarrhea • ... Diagnosis: • Low ... 300 mg/dL) • Low ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Differential Diagnosis Algorithm ... • Burns • Diarrhea ... JAK-2 Positive - Low ... #Causes #Hematology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
in >90% - Low ... Discontinuation of causal ... 60-80% - Low ... #comparison #table ... #rheumatology #
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... factor level • Low ... diagnosis #types #classification ... #rheumatology #
Causes of Fever in the Immunocompromised Host - Differential Diagnosis Algorithm
Structural Defect - Asplenia/HypospIenism
 • Bacteremia/Septic
Causes of Fever ... Differential Diagnosis Algorithm ... Bronchitis • Chronic Diarrhea ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... Infections 2. ... abdominal pain, diarrhea ... Urticaria #diagnosis #rheumatology ... #comparison #table
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
• How many joints ... weeks) Can Be Caused ... arthritis • SLE ... Symmetrical: • RA • SLE ... Diagnosis #MSK #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low ... Skin Disease Classification ... fibromyalgia) • Infections ... , lymphopenia, low ... Erythematosus #Diagnosis #Rheumatology