16 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
• Interstitial lung ... Arterial Hypertension ... Defect Pulmonary ... 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 ... shunting (eg, atrial ... #Differential #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... tuberculosis, Bacterial ... • CT: Halo sign ... 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 ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #differential
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
in arterial oxygenation ... absence of intrinsic lung ... shunt (Type 2) Clinical ... blood gas (ABC) ... on radioactive lung
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
B-Lines in case of Pneumonia ... Differential Bilat ... : Pulmonary edema ... partially seen shred sign ... #Lung #POCUS #clinical
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... Pulmonary arterial ... arterial hypertension ... and/or hypoxia ... Classification #Diagnosis #Differential
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... blood cells in the lung ... insufficiency, fever, chills ... of the spiral arteries ... edema #causes #differential
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 #
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... Nasal polyps and signs ... in the adjacent lung ... CT) • Broncho-arterial ... #differential #