Algorithms in Medicine @MatthewHoMD
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Matthew Ho, MD PhD https://twitter.com/MatthewHoMD
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Diabetic Foot Ulcer - Peripheral Arterial Disease Assessment Algorithm

Early Revascularization vs Conservative Care

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

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Differential Diagnosis Algorithm ... by A-a Gradient ... Shunt: Cardiac, Vascular ... Matthew Ho, MD PhD ... Differential #Diagnosis #Algorithm
Ascites Differential Diagnosis Table - Serum Ascites Albumin Gradient (SAAG)

SAAG ≥ 1.1:
 • Cirrhosis
 • Portal
Ascites Albumin Gradient ... tamponade • IVC obstruction ... Matthew Ho, MD PhD ... Serum #Albumin #Gradient
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Diagnosis and Workup ... Algorithm History ... Matthew Ho, MD PhD ... Pain #Diagnosis #Algorithm ... #workup
Approach to Hypoproliferative Macrocytic Anemia

 • 812, Folate Deficiency
 • MDS+
 • Hypothyroid
 • Liver Disease
Matthew Ho, MD PhD ... differential #diagnosis #algorithm ... #hematology #workup
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
Differential Diagnosis Algorithm ... /uL Initial Workup ... Matthew Ho, MD PhD ... Differential #Diagnosis #Algorithm ... #hematology #workup
Approach to Diarrhea - Differential Diagnosis and Workup Algorithm

Acute Diarrhea (MINT):
 • Medications
 • Infections: Inflammatory
Diagnosis and Workup ... Algorithm Acute ... Matthew Ho, MD PhD ... Differential #Diagnosis #Algorithm
Stroke Evaluation and Management Algorithm

Clinical suspicion of stroke (BE FAST)
 • Balance loss
 • Eyes: vision
and Management Algorithm ... Immediate Workup ... Matthew Ho, MD PhD ... Stroke #Management #Algorithm
Algorithm for Suspected SVC Syndrome

SVC syndrome suspected: Facial/arm/neck edema, distended neck/chest veins, facial plethora, dyspnea, cough,
Algorithm for Suspected ... SVC Syndrome Grading ... Matthew Ho, MD PhD ... SVC #Syndrome #Algorithm ... diagnosis #management #vascular
Ascites - Differential Diagnosis and Workup Algorithm

•
Perform paracentesis:
 • Cell count and diff 
 • Total
Diagnosis and Workup ... Algorithm • ... Matthew Ho, MD PhD ... Differential #Diagnosis #Algorithm