Algorithms in Medicine @MatthewHoMD
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Matthew Ho, MD PhD https://twitter.com/MatthewHoMD
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Lower GI Bleed - Differential Diagnosis Algorithm

 • Structural: Diverticulosis, Hemorrhoids, Post-polypectomy, Polyps & malignancy, Anal
Lower GI Bleed - ... Differential Diagnosis Algorithm ... diverticulum • Vascular ... #Lower #GI #Bleed ... #LGIB #GIBleed
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 ... Causes of Upper GI Bleed ... #Upper #GI #Bleed
Lower GI Bleed - Management Algorithm

Suspected lower GI bleeding (LGIB):
 • Hematochezia 
 • Melena +
Lower GI Bleed - ... Management Algorithm ... Rule out upper GI bleed ... #Lower #GI #Bleed ... #management #Algorithm
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
Differential Diagnosis Algorithm ... Blood loss: GI bleed ... , GU bleed, Gyn ... bleed, Epistaxis ... Differential #Diagnosis #Algorithm
Additional Modalities for Workup of GI Bleed (Other than EGD + Colonoscopy)

Pill endoscopy
 • Able to
for Workup of GI Bleed ... non-therapeutic, massive bleed ... MatthewHoMD #GI #Bleed ... #GIBleed #management
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... granular casts/RTE; blend ... Nephritis #AIN #Algorithm
Diabetic Foot Ulcer - Peripheral Arterial Disease Assessment Algorithm

Early Revascularization vs Conservative Care

Workup:
 • Arterial doppler
Disease Assessment Algorithm ... PAD #Diagnosis #Algorithm ... #vascular #revascularization
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Differential Diagnosis Algorithm ... Shunt: Cardiac, Vascular ... Differential #Diagnosis #Algorithm
Abdominal Aortic Aneurysm (AAA) Management and Surveillance

- Screening should be considered for more than just men
Management #Aorta #Vascular ... #Treatment #Algorithm
Dysphagia - Differential Diagnosis Algorithm

Oropharyngeal Dysphagia 
Esophageal Dysphagia 
 • Upper 2/3 (striated muscle): stroke, NMJ
Differential Diagnosis Algorithm ... disorders, ALS, MS, muscular ... dystrophy, spinal muscular ... Differential #Diagnosis #Algorithm