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

Early Revascularization vs Conservative Care

Workup:
 • Arterial doppler
Disease Assessment Algorithm ... PAD #Diagnosis #Algorithm ... #vascular #revascularization
Abdominal Aortic Aneurysm (AAA) Management and Surveillance

- Screening should be considered for more than just men
Management #Aorta #Vascular ... #Treatment #Algorithm
Pulmonary Function Testing (PFT) Interpretation Algorithm

Restrictive Lung Disease:
 • Chest wall or neuromuscular disorders
 • Interstitial
Pulmonary Function ... Interpretation Algorithm ... MatthewHoMD #Pulmonary ... Interpretation #Algorithm
Lower GI Bleed - Differential Diagnosis Algorithm

 • Structural: Diverticulosis, Hemorrhoids, Post-polypectomy, Polyps & malignancy, Anal
Differential Diagnosis Algorithm ... diverticulum • Vascular ... Differential #Diagnosis #Algorithm
Suspected Pneumothorax - Diagnosis and Management Algorithm

 • Trauma
 • Unstable Patient
 • Primary Spontaneous Pneumothorax
and Management Algorithm ... Diagnosis #Management #Algorithm ... #pulmonary
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Response Management Algorithm ... pneumonia • Water: pulmonary ... Diagnosis #Management #Algorithm ... #rapid #pulmonary
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 #Algorithm ... diagnosis #management #vascular
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
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Diagnosis and Workup Algorithm ... Pneumothorax • Pulmonary ... Pain #Diagnosis #Algorithm