14 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
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
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 ... : Pulmonary edema ... partially seen shred sign ... #Pneumonia #Lung ... #POCUS #clinical
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 #
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 ... of opacities, Unilateral ... , Pulmonary lymphoma ... #COP #BOOP #pulmonary
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Syndrome – ARDS: Clinical ... congestion with hypoxemia ... and bilateral radigraphic ... week or less ● Bilateral ... oxygenation in pneumonia
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... blood cells in the lung ... lobe that become bilateral ... Criteria: - Bilateral ... edema #causes #differential
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