Algorithms in Medicine @MatthewHoMD
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Matthew Ho, MD PhD https://twitter.com/MatthewHoMD
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Algorithm for Suspected SVC Syndrome

SVC syndrome suspected: Facial/arm/neck edema, distended neck/chest veins, facial plethora, dyspnea, cough,
SVC Syndrome Grading ... head or neck with functional ... #diagnosis #management ... #vascular #Superior ... #vena #cava
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

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

SAAG ≥ 1.1:
 • Cirrhosis
 • Portal
Ascites Differential Diagnosis ... Table - Serum Ascites ... Albumin Gradient ... tamponade • IVC obstruction ... #Table #Serum #
Pulmonary Function Testing (PFT) Interpretation Algorithm

Restrictive Lung Disease:
 • Chest wall or neuromuscular disorders
 • Interstitial
Pulmonary Function ... Interpretation Algorithm ... Lung Disease Obstructive ... #Pulmonary #Function ... #diagnosis #asthma