11 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... • Interstitial lung ... diseasePulmonary ... Malformation • Severe Pneumonia ... #Hypoxia #Differential
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Diseases - Pneumonia ... Pneumothorax - Effusion ... Glass Opacity - Chronic ... #Patterns #Lung ... #Diagnosis
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
sliding/barcode ... pleura reflection) Pneumonia ... #differential # ... diagnosis #signs ... #Lung #POCUS #ultrasound
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Diagnosis Framework ... diseases, pulmonary ... • Causes: Pneumonia ... #Differential # ... Diagnosis #pulmonary
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Disease by CD4 ... Abdominal pain, chronic ... , pleural effusion ... Infections #HIV #AIDS #pulmonary ... diagnosis #infectiousdiseases
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Diagnosis Algorithm ... Bronchitis • Chronic ... Parenchyma: • Pneumonia ... • Interstitial lung ... Pleura: • Pleural effusion
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Atelectasis, ARDS, Pneumonia ... • Diffusion Defect ... #Hypoxia #hypoxemia ... #differential # ... diagnosis
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... Diseases • Acute ... #Diseases #pulmonary ... #differential # ... diagnosis #comparison
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Pulmonary Diseases ... aspergillosis - Chronic ... eosinophilic pneumonia ... #diseases #differential ... #diagnosis #mnemonic
AIDS-defining illnesses
 - Candidiasis of the esophagus, bronchi, trachea, or lungs [(but NOT the mouth (thrush)]
bronchi, trachea, or lungs ... Cytomegalovirus disease ... tuberculosis, any site (pulmonary ... #Diagnosis #List ... #Differential