Algorithms in Medicine @MatthewHoMD
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Matthew Ho, MD PhD https://twitter.com/MatthewHoMD
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algorithm diagnosis differential gastroenterology bleed gibleed gastrointestinal hematology management anemia lgib lower nephrology workup celiac deficiency disease ferritin hypernatremia hypokalemia
Iron Deficiency Anemia - Differential Diagnosis Algorithm Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR • Blood loss:
Iron Deficiency ... Labs: Ferritin, iron ... • Blood loss: GI ... Hemodialysis • Iron ... Lactation, Low iron
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
Lower GI Bleed - Differential Diagnosis Algorithm • Structural: Diverticulosis, Hemorrhoids, Post-polypectomy, Polyps & malignancy, Anal
Lower GI Bleed - ... MatthewHoMD #Lower #GI
Pancytopenia - Differential Diagnosis Algorithm • 12-13 g/dL, • ANC < 1800/uL, • platelet < 150,000/uL Initial
LDH, ESR, CRP, iron
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV Microcytic (MCV < 80) "TAILS": • Thalassemia
inflammation) • Iron
Hypokalemia - Differential Diagnosis Algorithm Transcellular Shift: • Alkalosis • ↑ beta-2 adrenergic simulation • Erythropoiesis
Non-renal losses: • GI
Suspected Celiac Disease - Diagnosis Algorithm Celiac disease suspected: • Signs and symptoms of celiac disease •
celiac disease • Iron-deficiency
Lower GI Bleed - Management Algorithm Suspected lower GI bleeding (LGIB): • Hematochezia • Melena +
Lower GI Bleed - ... Suspected lower GI ... Rule out upper GI ... MatthewHoMD #Lower #GI
Hypernatremia - Differential Diagnosis Workup Algorithm 1) Check Urine Osmolality: > 600 mOsm/kg - Implies extrarenal mechanism
Hypovolemic (H2O loss): GI
Additional Modalities for Workup of GI Bleed (Other than EGD + Colonoscopy) Pill endoscopy • Able to
for Workup of GI ... MatthewHoMD #GI
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