21 results
Pulmonary Function Testing (PFT) Interpretation Algorithm

Restrictive Lung Disease:
 • Chest wall or neuromuscular disorders
 • Interstitial
Lung Disease: ... • Chest wall or ... Lung Disease Obstructive ... Lung Disease: ... #Algorithm #diagnosis
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Tests (PFTs) - ... Carboxyhemoglobinemia • Chest ... • Interstitial Lung ... Disease • Asthma ... #diagnosis
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... • Interstitial lung ... diseasePulmonary ... Abnormalities • Chest ... #Diagnosis #Algorithm
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
asthma • Pleural disease ... atelectasis • Lung ... MG, ALS) • ↓ chest ... compliance (e.g., flail chest ... #Diagnosis #Management
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
- Workup and Management ... (JVP, edema), Lung ... POCUS (B-lines, lung ... STAT CXR, CTA Chest ... #Hypoxia #Workup
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Diagnosis Algorithm ... neuromuscular disease ... , ↓ chest wall compliance ... #Diagnosis #Algorithm ... #pulmonary #Aa
Diagnostic algorithm for a child or adolescent with suspected pulmonary hypertension. CHD, congenital heart disease; CPET,
Diagnostic algorithm ... hypertension; CXR, chest ... ; CLD, chronic lung ... #Hypertension #Workup ... #Algorithm
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... Left Shunt - Anatomic ... #Hypoxia #hypoxemia ... #differential #diagnosis
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Upper Lobe Lung ... caused by a rigid chest ... Pulmonary Diseases ... Silicosis - Coal worker ... #diagnosis #mnemonic
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
attached to the chest ... disease. ... is a possible diagnosis ... disease that results ... airways leading to pulmonary