Algorithms in Medicine @MatthewHoMD
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Matthew Ho, MD PhD https://twitter.com/MatthewHoMD
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Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Rapid Response Management ... Algorithm Stridor ... #Hypoxia #differential ... #Diagnosis #Management ... #Algorithm #rapid
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... MatthewHoMD #Hypoxemia ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Pulmonary Function Testing (PFT) Interpretation Algorithm

Restrictive Lung Disease:
 • Chest wall or neuromuscular disorders
 • Interstitial
Pulmonary Function ... Interpretation Algorithm ... Lung Disease Obstructive ... #Pulmonary #Function ... Interpretation #Algorithm
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
Diagnosis and Management ... Algorithm Suspected ... hemosiderin, Hepatic function ... #Diagnosis #Management ... #Algorithm #hematology
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
- Polycythemia Differential ... Diagnosis Algorithm ... Acquired Causes: • Hypoxia-driven ... Polycythemia #Vera #PV #Differential ... #Diagnosis #Algorithm
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... GI losses (NG suction ... #Hypokalemia #Differential ... #Diagnosis #Algorithm
Stroke Evaluation and Management Algorithm

Clinical suspicion of stroke (BE FAST)
 • Balance loss
 • Eyes: vision
Evaluation and Management ... Algorithm Clinical ... Klaas #Stroke #Management ... #Algorithm #diagnosis ... #differential #
Hypoglycemia Differential Diagnosis and Management Algorithm

Features of hypoglycemia:
 • Neurogenic: Tremor, Palpitations, Anxiety, Arousal, Sweating, Hunger,
Hypoglycemia Differential ... Diagnosis and Management ... Algorithm Features ... #Diagnosis #Management ... #Algorithm #endocrinology
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 ... UGIB #GIBleed #Differential ... #Diagnosis #management ... #Algorithm #gastrointestinal
Algorithmic Approach to Hypothyroidism - Differential Diagnosis and Management Framework

Central Hypothyroidism (Secondary or tertiary) ↓TSH, ↓FT4
Algorithmic Approach ... Hypothyroidism - Differential ... Diagnosis and Management ... #Diagnosis #algorithm ... #hypothyroid #Management