37 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... • Interstitial lung ... diseasePulmonary ... Hypoventilation Syndrome ... #Diagnosis #Algorithm
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Rapid Response Management ... pneumonia • Water: pulmonary ... asthma • Pleural disease ... atelectasis • Lung ... #Diagnosis #Management
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Secondary to chronic lung ... disease (COPD) ... • HypoxiaPulmonary ... MAT #Cardiology #Diagnosis ... #ECG #EKG #Management
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #diagnosis
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
due to lung disease ... and/or hypoxia ... lung disease Other ... and obstructive pattern ... Classification #Diagnosis
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
disease, idiopathic ... due to alveolar syndrome ... fibrotic alveolar syndrome ... artifact); (G) UIP pattern ... #Clinical #Diagnosis
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... diseases, pulmonary ... direction leads to hypoxemia ... hepatopulmonary syndrome ... #Differential #Diagnosis
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... relapsing fever • Louse-borne ... For every 1°F rise ... Brucellosis • Liver or lung ... #Differential #Diagnosis
Blastomycosis (Blastomyces): Gilchrist’s disease, Chicago disease - Summary Sheet
 • Morphology
 • Geography, Reservoir and Mode
reticulonodular patterns ... presentation of TB, lung ... Radiographic pattern ... • Management ... - Pulmonary disease
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Respiratory Distress Syndrome ... leading to increased pulmonary ... congestion with hypoxemia ... consistent with pulmonary ... Summary #CheatSheet #Diagnosis