Algorithms in Medicine @MatthewHoMD
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Matthew Ho, MD PhD https://twitter.com/MatthewHoMD
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Pulmonary Function Testing (PFT) Interpretation Algorithm

Restrictive Lung Disease:
 • Chest wall or neuromuscular disorders
 • Interstitial
Pulmonary Function ... MatthewHoMD #Pulmonary
Algorithm for Diagnosis and Management of Pulmonary Hypertension

Matthew Ho, MD PhD @MatthewHoMD

#Pulmonary #Hypertension #PHTN #Algorithm #Diagnosis
Management of Pulmonary ... MatthewHoMD #Pulmonary
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
pneumonia • Water: pulmonary ... Algorithm #rapid #pulmonary
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
pathophysiology #pulmonary
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Diagnosis #Algorithm #pulmonary
Suspected Pneumothorax - Diagnosis and Management Algorithm

 • Trauma
 • Unstable Patient
 • Primary Spontaneous Pneumothorax
Management #Algorithm #pulmonary
Algorithm for Management of Acute Exacerbation of COPD (AECOPD)

Obtain workup for alternate diagnoses and relevant comorbidities:
Exacerbation #treatment #pulmonary
Life Threatening Causes of Chest Pain - Differential Diagnosis Table

 • ACS
 • Aortic Dissection
 •
Dissection • Pulmonary
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Pneumothorax • Pulmonary
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
athletic training, Pulmonary