8 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Arterial Hypertension ... Malformation • Severe Pneumonia ... #Hypoxia #Differential
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
) PIO2 - atmospheric ... oxygen dissolved in arterial ... hemoglobin in arterial ... oxygen content of arterial ... #pulmonary #differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = [FiO2 ... Atelectasis, ARDS, Pneumonia ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #differential
Community Acquired Pneumonia - Presenting Features
 • History in favor of CAP: Dyspnea, Cough, particularly if
Community Acquired ... Pneumonia - Presenting ... , Tachycardia, Hypoxemia ... when secondary to bacterial ... breaths/min, PaO2 / FiO2
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... • Causes: Pneumonia ... shunting (eg, atrial ... #Differential # ... Diagnosis #pulmonary
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
Community Acquired ... (LR + 2.7) • Hypoxia ... • PaO2/FiO2 ratio ... Management #treatment #Pulmonary ... #Community #Acquired
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... dissolved in the PaO2/FiO2 ... evidence of left atrial ... of the spiral arteries ... edema #causes #differential
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
cryptococcomas, cavitating pneumonia ... (fever, cough, hypoxia ... , and pulmonary ... Leishmaniasis Differential ... Inflammatory #Syndrome #Differential