26 results
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
atelectasis • Lung ... 12 / shallow breathing ... 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,
Aspiration, Flash Pulmonary ... Bronchospasm, Pulmonary ... (JVP, edema), Lung ... , lung sliding) ... STAT CXR, CTA Chest
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... • Interstitial lung ... Abnormalities • Chest ... #Diagnosis #Algorithm
COPD Physical Exam Likelihood Ratios
Barrel Chest - LR 1.5
Pursed Lip Breathing - LR 2.7
Reduced breath sounds
COPD Physical Exam ... Ratios Barrel Chest ... 1.5 Pursed Lip Breathing ... Hyperresonance of chest ... #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #diagnosis
Lung Chest Wall Herniation after Thoracotomy on Physical Exam

Lung is seen herniating through the chest wall
Lung Chest Wall ... Thoracotomy on Physical Exam ... herniating through the chest ... #PhysicalExam #pulmonary ... #breathing #hernia
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Dyspnea, Wheeze, Chest ... Hyperresonance, Hypoxemia ... Cyanosis, Barrel chest ... , Pursed lip breathing ... #pulmonary
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
disease, pleuritic chest ... consider infarction, hypoxia ... In lung disease ... #Pulmonary #Abnormalities ... #Abnormal #Diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... disease: Pleuritic chest ... Abscess - Physical Exam ... level seen • Chest ... treatment until the chest
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... Loss of weight • Chest ... in the adjacent lung ... of the affected lung ... high-resolution chest