16 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... • Interstitial lung ... Atrial Septal Defect ... Malformation • Severe Pneumonia ... #Hypoxia #Differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... reversible diffusion defects ... • Causes: Pneumonia ... ventricular septal defects ... #Differential #
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Differential Bilat ... B lines/lung sliding ... : Pulmonary edema ... partially seen shred sign ... #Lung #POCUS #clinical
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
sliding/barcode sign ... pleura reflection) Pneumonia ... Consolidations - "Shred" sign ... #differential # ... diagnosis #signs
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... • CT: Halo sign ... you have HIV), Chills ... Infections #HIV #AIDS #pulmonary ... #differential #
Pneumonia on Lung Ultrasound looks like this: 
A-lines replaced by B-lines in an irregular stepladder appearance
Pneumonia on Lung ... termed the Shred Sign ... #ShredSign #clinical ... pocus #ultrasound #lung ... #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Atelectasis, ARDS, Pneumonia ... • Diffusion Defect ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
that affects the ... - Clinical manifestations ... pattern, irregular lines ... , Pulmonary lymphoma ... #COP #BOOP #pulmonary
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
absence of intrinsic lung ... shunt (Type 2) Clinical ... upright position • Hypoxemia ... Arterial blood gas (ABC ... on radioactive lung
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Clinical ... 38 degrees • Chills ... Abscess Differential ... #Abscess #pulmonary ... #differential #