Algorithms in Medicine @MatthewHoMD
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Matthew Ho, MD PhD https://twitter.com/MatthewHoMD
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diagnosis algorithm differential hematology hemolytic workup aiha anemias autoimmune celiac deficiency disease ferritin gastroenterology hemolysis hypokalemia laboratory leukemoid leukocytosis low
Iron Deficiency Anemia - Differential Diagnosis Algorithm Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR • Blood loss:
Iron Deficiency ... Anemia - Differential ... Labs: Ferritin, iron ... Hemodialysis • Iron ... #Deficiency #Anemia
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV Microcytic (MCV < 80) "TAILS": • Thalassemia
Algorithmic Approach to Anemia ... inflammation) • Iron ... Sideroblastic anemia ... ACD, Aplastic anemia ... MatthewHoMD #Anemia
Suspected Celiac Disease - Diagnosis Algorithm Celiac disease suspected: • Signs and symptoms of celiac disease •
celiac disease • Iron-deficiency ... anemia unresponsive
Hemolytic Anemias - Differential Diagnosis Algorithm Signs of anemia and hemolysis: • ↓ Haptoglobin • ↑ LDH
Hemolytic Anemias ... Algorithm Signs of anemia ... Autoimmune Hemolytic Anemias ... Alloimmune Hemolytic Anemias ... #Hemolytic #Anemias
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
Testing in Hemolytic Anemia ... #Hemolytic #Anemia
Approach to Hypoproliferative Macrocytic Anemia • 812, Folate Deficiency • MDS+ • Hypothyroid • Liver Disease
Hypoproliferative Macrocytic Anemia ... #Macrocytic #Anemia
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table Warm AIHA (48-70%) Cold AHA (16-32%) • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic Anemia ... Autoimmune #Hemolytic #Anemia
Pancytopenia - Differential Diagnosis Algorithm • 12-13 g/dL, • ANC < 1800/uL, • platelet < 150,000/uL Initial
LDH, ESR, CRP, iron
Approach to Leukocytosis - Differential Diagnosis Algorithm Features of hematologic malignancy: • Symptoms: B-symptoms, bruising/bleeding, fatigue/weakness, immunosuppression
hepatomegaly • Labs: anemia
Hypokalemia - Differential Diagnosis Algorithm Transcellular Shift: • Alkalosis • ↑ beta-2 adrenergic simulation • Erythropoiesis
in pernicious anemia
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