Algorithms in Medicine @MatthewHoMD
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Matthew Ho, MD PhD https://twitter.com/MatthewHoMD
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Hypereosinophilia and Hypereosinophilic Syndrome

 • Secondary Hypereosinophilic Syndrome
 • Clinically Relevant HES Variants
 • When to
suspect underlying hematologic ... and Treatment Algorithm ... Syndrome #HES #Hematology ... diagnosis #management #algorithm
Approach to Leukocytosis - Differential Diagnosis Algorithm

Features of hematologic malignancy:
 • Symptoms: B-symptoms, bruising/bleeding, fatigue/weakness, immunosuppression
Differential Diagnosis Algorithm ... Features of hematologic ... Differential #Diagnosis #Algorithm ... #hematology #WBC
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Differential Diagnosis Table ... Differential #Diagnosis #Table ... #hematology
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
Differential Diagnosis Algorithm ... aPTT #PT #INR #Algorithm ... #Hematology #differential
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Differential Diagnosis Algorithm ... → Refer to hematology ... • Nonmalignant hematologic ... Differential #Diagnosis #Algorithm ... #hematology
Thrombocytopenia - Differential Diagnosis Algorithm

Decreased production:
 • Bone marrow suppression
 • Bone marrow failure
 • Bone
Differential Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #hematology #platelets
Ascites Differential Diagnosis Table - Serum Ascites Albumin Gradient (SAAG)

SAAG ≥ 1.1:
 • Cirrhosis
 • Portal
Differential Diagnosis Table ... Differential #Diagnosis #Table ... Gradient #SAAG #hepatology
Diffuse large B cell lymphoma (DLBCL) - Management and Treatment Algorithm

By Matthew Ho, MD PhD @MatthewHoMD

#Diffuse
and Treatment Algorithm ... Management #Treatment #Algorithm ... #oncology #hematology
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Differential Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #hematology
Approach to Von Willebrand disease (VWD)

By Matthew Ho, MD PhD @MatthewHoMD

#VWD #Von #Willebrand #VonWillebrand #disease #hematology
VonWillebrand #disease #hematology ... #algorithm #diagnosis