Algorithms in Medicine @MatthewHoMD
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Matthew Ho, MD PhD https://twitter.com/MatthewHoMD
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Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
- Differential Diagnosis ... Table Warm AIHA ... #Differential #Diagnosis ... #Table #hematology
Life Threatening Causes of Chest Pain - Differential Diagnosis Table

 • ACS
 • Aortic Dissection
 •
- Differential Diagnosis ... Table • ACS ... #differential #diagnosis ... #table
Ascites Differential Diagnosis Table - Serum Ascites Albumin Gradient (SAAG)

SAAG ≥ 1.1:
 • Cirrhosis
 • Portal
Ascites Differential Diagnosis ... Table - Serum Ascites ... #Differential #Diagnosis ... #Table #Serum #
Hyponatremia Differential Diagnosis Table

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Hyponatremia Differential Diagnosis ... Table • Step ... #Differential #Diagnosis ... #Table #nephrology
Oral Antihypertensive Medications - Selection by Comorbidities
Comorbidities: 
 • Stable Angina, HFpEF, HFrEF, AFib, TAA/Marfan, Aortic
Comorbidities: • Stable ... #pharmacology #table
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
- Differential Diagnosis ... Algorithm aPTT ... aPTT #PT #INR #Algorithm ... #differential #diagnosis
Hypereosinophilia and Hypereosinophilic Syndrome

 • Secondary Hypereosinophilic Syndrome
 • Clinically Relevant HES Variants
 • When to
disorders • Diagnosis ... and Treatment Algorithm ... #eosinophils #diagnosis ... #management #algorithm
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... Nephritis #AIN #Algorithm ... #nephrology #diagnosis
Thrombocytopenia - Differential Diagnosis Algorithm

Decreased production:
 • Bone marrow suppression
 • Bone marrow failure
 • Bone
- Differential Diagnosis ... Algorithm Decreased ... #Differential #Diagnosis ... #Algorithm #hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Algorithmic Approach ... - Differential Diagnosis ... #Anemia #MCV #Algorithm ... #Differential #Diagnosis