Algorithms in Medicine @MatthewHoMD
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Matthew Ho, MD PhD https://twitter.com/MatthewHoMD
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algorithm diagnosis differential bleed gastroenterology gastrointestinal management lgib lower nephrology anemia deficiency ferritin hematology hypernatremia hypokalemia imaging iron low modalities
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 ... #Bleed #UGIB #GIBleed
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 ... #Bleed #LGIB #GIBleed
Lower GI Bleed - Differential Diagnosis Algorithm • Structural: Diverticulosis, Hemorrhoids, Post-polypectomy, Polyps & malignancy, Anal
Lower GI Bleed - ... MatthewHoMD #Lower #GI ... #Bleed #LGIB #GIBleed
Additional Modalities for Workup of GI Bleed (Other than EGD + Colonoscopy) Pill endoscopy • Able to
for Workup of GI ... Bleed (Other than ... non-therapeutic, massive bleed ... MatthewHoMD #GI ... #Bleed #GIBleed
Iron Deficiency Anemia - Differential Diagnosis Algorithm Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR • Blood loss:
• Blood loss: GI ... bleed, GU bleed ... , Gyn bleed, Epistaxis
Hypokalemia - Differential Diagnosis Algorithm Transcellular Shift: • Alkalosis • ↑ beta-2 adrenergic simulation • Erythropoiesis
Non-renal losses: • GI
Hypernatremia - Differential Diagnosis Workup Algorithm 1) Check Urine Osmolality: > 600 mOsm/kg - Implies extrarenal mechanism
Hypovolemic (H2O loss): GI
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