15 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... diseasePulmonary ... Hypoventilation Syndrome ... #Hypoxia #Differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... diseases, pulmonary ... direction leads to hypoxemia ... hepatopulmonary syndrome ... #Differential #
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... : Atelectasis, ARDS ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Lung Disease - ... Differential Diagnosis ... , worse at the bases ... Amy Chung, MD, MSc ... #Causes #Differential
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... Progressive URI ... Differential Bilat ... : Pulmonary edema ... lung disease, interstitial
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... • Mounier-Kuhn syndrome ... in the adjacent lung ... of the affected lung ... #differential #
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
, Ehler-Danlos syndrome ... may involve MV base ... , carcinoid syndrome ... : Dilated CMP, long-standing ... Primary #Functional #Differential
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
Non-inflammatory Causes ... • Infiltrating base ... neuropathy (LHON) plus MRI ... consistent with MS ... noninflammatory #differential
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... D-lactate (short bowel syndrome ... Classically” noted with pulmonary ... or restrictive lung ... disease (COPD,
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Edema - Differential ... Causes include: ... acute cardiac disease ... respiratory distress syndrome ... Transfusion-related acute lung