3823 results
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Males: Hb > 16.5 g/ ... Females: Hb > 16 g/ ... Polycythemia - Acquired Causes ... Diagnosis #Algorithm #hematology
Multiple Myeloma and Monoclonal Gammopathies
C - HyperCalcemia- calcium > 11 mg/dL / >1 mg/dL the ULN
R
Hemoglobin < 10 g/ ... dL or <2 g/dl LLN ... Causes of false- ... amyloidosis Other causes ... MGUS #diagnosis #hematology
Hematology Algorithms 

Anemia is described as a reduction in the proportion of the red blood cells.
Hematology Algorithms ... drops below 7.0 g/ ... Pancytopenia is a hematologic ... of less than 12 g/ ... These causes could
D-dimer
Plasma D-dimer is a product of clot breakdown, released upon degradation of polymerized, crosslinked fibrin. Elevated
age, which can cause ... Age (yrs) x 10 u g/ ... d-dimer of 880 u g/ ... pathophysiology #hematology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
an underlying cause ... Male: Hb>16.5 g/ ... Female: Hb>16.0 g/ ... Better call hematology ... Algorithm #workup #hematology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
globulin gap (>4 g/ ... Causes of Monoclonal ... amyloidosis Causes ... gastric tumors • Hematology ... differential #diagnosis #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
immunoglobulin A, E, G, ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Causes of Neutropenia ... Infiltration: • Hematologic ... and non-hematologic ... Diagnosis #Algorithm #Causes ... #Hematology
Thrombotic Microangiopathies In Systemic Lupus Erythematosus

Dr. Laurent ARNAUD @Lupusreference

#TMAs #Thrombotic #Microangiopathies #Systemic #Lupus #Erythematosus #SLE #hematology
Erythematosus #SLE #hematology ... #rheumatology # ... differential #diagnosis #causes
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... found in 60% of cases ... Nodosum #Mnemonic #Causes ... Differential #Diagnosis #Dermatology