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 management gastrointestinal lgib lower nephrology anemia deficiency dysphagia esophageal ferritin hematology hypernatremia hypokalemia hypoxemia
Upper GI Bleed - Management Algorithm Upper GI bleed Suspected: Melena, hematemesis, coffee-ground emesis, BRBPR Initial Stabilization Concern for
Upper GI Bleed - ... Management Algorithm Upper ... GI bleed Suspected ... EGD Causes of Upper ... MatthewHoMD #Upper
Lower GI Bleed - Management Algorithm Suspected lower GI bleeding (LGIB): • Hematochezia • Melena +
Lower GI Bleed - ... Suspected lower GI ... Unstable (Rule out upper ... GI bleed) vs Stable ... MatthewHoMD #Lower #GI
Lower GI Bleed - Differential Diagnosis Algorithm • Structural: Diverticulosis, Hemorrhoids, Post-polypectomy, Polyps & malignancy, Anal
Lower GI Bleed - ... MatthewHoMD #Lower #GI
Hypoxemia / Hypoxia - Rapid Response Management Algorithm Stridor - Upper airway pathology: • Anaphylaxis • Foreign
Algorithm Stridor - Upper
Dysphagia - Differential Diagnosis Algorithm Oropharyngeal Dysphagia Esophageal Dysphagia • Upper 2/3 (striated muscle): stroke, NMJ
Dysphagia • Upper
Hypokalemia - Differential Diagnosis Algorithm Transcellular Shift: • Alkalosis • ↑ beta-2 adrenergic simulation • Erythropoiesis
Non-renal losses: • GI
Iron Deficiency Anemia - Differential Diagnosis Algorithm Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR • Blood loss:
• Blood loss: 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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