17 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Disease (Asthma, COPD ... Abnormalities • Chest ... Diagnosis #Algorithm #Causes ... #Pulmonary
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
tissues, also called ... blood loss) or abnormal ... - Cells cannot ... #pulmonary #differential ... #diagnosis #causes
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
Diffuse consolidation ... The most common cause ... This is also called ... from the various causes ... may still have a normal
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... Loss of weight • Chest ... Most Common Causes ... centrilobular nodules, or consolidation ... - BAR >1.0 is abnormal
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Dyspnea, Wheeze, Chest ... Findings: Variably abnormal ... Hyperresonance, Hypoxemia ... Cyanosis, Barrel chest ... comparison #Diagnosis #pulmonary
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Pulmonary Pathology ... Pneumonia: - Consolidation ... - Supleural Consolidations ... pleura in severe cases ... lung sliding COPD
Ground Glass Opacities on Lung CT - Pathophysiology
Ground glass opacity lung is denser (whiter) than normal
(whiter) than normal ... as compared to consolidation ... often, GGO is caused ... Opacities #Lung #pulmonary ... #ChestCT #Pathophysiology
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
disease, pleuritic chest ... consider infarction, hypoxia ... bronchitis, and COPD ... Breathing #Patterns #Pulmonary ... Abnormalities #Abnormal
Pulmonary Hypertension Groups - WHO Classification
Group I - Vascular remodeling of pulmonary arteries
 • Idiopathic, HIV,
disease causing hypoxemia ... • COPD, ILD, ... issues at rest, but normal ... dyspnea, fatigue, or chest ... dyspnea, fatigue, chest
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
appearances of pulmonary ... complex • Nodular/Masses ... Sarcoma • Focal Consolidation ... P.jiroveci • Normal ... differential #diagnosis #chestCT