Algorithms in Medicine @MatthewHoMD
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Matthew Ho, MD PhD https://twitter.com/MatthewHoMD
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Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
• Blood loss: GI ... Algorithm #ferritin #hematology
Hypereosinophilia and Hypereosinophilic Syndrome

 • Secondary Hypereosinophilic Syndrome
 • Clinically Relevant HES Variants
 • When to
suspect underlying hematologic ... Syndrome #HES #Hematology
Upper GI Bleed - Management Algorithm

Upper GI bleed Suspected: Melena, hematemesis, coffee-ground emesis, BRBPR
Initial Stabilization
Concern for
Upper GI Bleed - ... Algorithm Upper GI ... Disease Consult GI ... Causes of Upper GI ... MatthewHoMD #Upper #GI
Approach to Leukocytosis - Differential Diagnosis Algorithm

Features of hematologic malignancy:
 • Symptoms: B-symptoms, bruising/bleeding, fatigue/weakness, immunosuppression
Features of hematologic ... Diagnosis #Algorithm #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

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

 • Structural: Diverticulosis, Hemorrhoids, Post-polypectomy, Polyps & malignancy, Anal
Lower GI Bleed - ... MatthewHoMD #Lower #GI
Approach to Von Willebrand disease (VWD)

By Matthew Ho, MD PhD @MatthewHoMD

#VWD #Von #Willebrand #VonWillebrand #disease #hematology
VonWillebrand #disease #hematology
Laboratory Testing in Hemolytic Anemia

Intravascular vs Extravascular Hemolysis
Reticulocytes
Unconjugated bilirubin
LDH
Peripheral smear
Haptoglobin
Urine hemosiderin
Urine hemoglobin
Carboxyhemoglobin

#Hemolytic #Anemia #Laboratory #Testing #workup
workup #diagnosis #hematology
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
INR #Algorithm #Hematology
Treatment Approach to Hodgkin's Lymphoma

By Matthew Ho, MD PhD @MatthewHoMD
With Credit: Dr Sunita Nasta and Dr
Lymphoma #oncology #Hematology