Algorithms in Medicine @MatthewHoMD
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Matthew Ho, MD PhD https://twitter.com/MatthewHoMD
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algorithm diagnosis differential management gastroenterology bleed gibleed gastrointestinal lgib nephrology pulmonary aaa abdominal anemia aneurysm aorta aortic cardiology crisis curve
Lower GI Bleed - Management Algorithm Suspected lower GI bleeding (LGIB): • Hematochezia • Melena +
Lower GI Bleed - ... Algorithm Suspected lower ... GI bleeding (LGIB ... Rule out upper GI ... MatthewHoMD #Lower
Lower GI Bleed - Differential Diagnosis Algorithm • Structural: Diverticulosis, Hemorrhoids, Post-polypectomy, Polyps & malignancy, Anal
Lower GI Bleed - ... MatthewHoMD #Lower ... #GI #Bleed #LGIB
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
Hypokalemia - Differential Diagnosis Algorithm Transcellular Shift: • Alkalosis • ↑ beta-2 adrenergic simulation • Erythropoiesis
Non-renal losses: • GI
Oxygen-Hemoglobin Dissociation Curve Left Shift (↓ O2 unloading to tissue), Left = Lower: • ↓ H+ (↑
tissue), Left = Lower
Abdominal Aortic Aneurysm (AAA) Management and Surveillance - Screening should be considered for more than just men
- Women have lower
Hypertensive Crisis Algorithm - Hypertensive Urgency and Hypertensive Emergency Blood Pressure Reduction Goals: • lower BP up
Reduction Goals: • lower
Iron Deficiency Anemia - Differential Diagnosis Algorithm Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR • Blood loss:
• Blood loss: GI
Dysphagia - Differential Diagnosis Algorithm Oropharyngeal Dysphagia Esophageal Dysphagia • Upper 2/3 (striated muscle): stroke, NMJ
esophagitis • Lower
Hypernatremia - Differential Diagnosis Workup Algorithm 1) Check Urine Osmolality: > 600 mOsm/kg - Implies extrarenal mechanism
Hypovolemic (H2O loss): GI
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