15 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... • Interstitial lung ... diseasePulmonary ... Arterial Hypertension ... Hypoventilation Syndrome
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
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Secondary to chronic lung ... disease (COPD) ... • HypoxiaPulmonary ... hypertension ... MAT #Cardiology #Diagnosis
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary Syndrome ... absence of intrinsic lung ... - Portal hypertension ... on radioactive lung ... #diagnosis #management
Chronic Thromboembolic Pulmonary Hypertension (CTEPH) and Pulmonary Thromboendarterectomy
Chronic Thromboembolic Pulmonary Hypertension
Definition: mean pulmonary-artery pressure > 25mmHg
mosaic parenchymal pattern ... Ventilation-perfusion lung ... have inoperable disease ... pro-BNP levels • Risk ... #management
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
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 ... hypertension • ... of the affected lung
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Shock, Autoimmune disease ... Risk factors 3. ... Imaging Patterns ... Seizures: Treat with AEDs ... #diagnosis #management
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... Inflammatory eye disease ... sparing of the lung ... • IF staining patterns ... #management #treatment
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
disease, pleuritic ... consider infarction, hypoxia ... hyperventilation syndrome—a ... #Pulmonary #Abnormalities ... #Abnormal #Diagnosis