20 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Mismatch • Airway Disease ... • Parenchymal Disease ... Diffusion Limitation ... • Pulmonary Arterial
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... Hemorrhage • Impaired Diffusion ... Embolism, Emphysema ... Shock • Airway Disease ... #hypoxia #Differential
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... neuromuscular disease ... (↑Shunting), ↓Perfusion ... #Hypoxia #Differential ... Diagnosis #Algorithm #pulmonary
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Diseases - Pneumonia ... Atelectasis - Emphysema ... Pneumothorax - Effusion ... Reticular - Emphysema ... #Diseases #Radiology
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
appearances of pulmonary ... • Pleural effusion ... Parapneumonic effusion ... ; empyema, M.tuberculosis ... (NHL, primary effusion
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Interstitial lung diseases ... , pulmonary edema ... direction leads to hypoxemia ... asthma, COPD, pulmonary ... Respiratory #Failure #hypoxia
Empyema Necessitans (EN) on Chest POCUS

Pulmonary teaching case: you are called to the bedside of a
(EN) on Chest POCUS ... Pulmonary teaching ... chest drain on POCUS ... infected pleural effusion ... #pulmonary #respiratory
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Cardiomyopathy • Valvular disease ... disease • Asthma ... Atelectasis • Emphysema ... Interstitial lung disease ... Pleura: • Pleural effusion
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Obstructive Lung Disease ... , Interstitial Disease ... and more • Diffusion ... Interstitial Lung Disease ... #Hypoxia #hypoxemia
Empyema on POCUS

89-year-old male with fever and dyspnea. Lung ultrasound reveals what chest x-ray hides -
Empyema on POCUS ... Loculated Pleural Effusion ... CasasolaGarcia #Empyema ... Lung #Ultrasound #POCUS ... #Clinical #Pulmonary