9 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Algorithm Ventilation ... • Interstitial lung ... Malformation • Severe Pneumonia ... #Diagnosis #Algorithm
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
- Differential Diagnosis ... - Physiologic: ARDS ... Focal Alveolar: Pneumonia ... : ILD, pHTN, Advanced ... #Diagnosis #causes
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
- Differential Diagnosis ... • Effusion ... Alveoli • Pneumonia ... • ARDS • COPD ... Interstitium • ILD
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... : • PVL virulence ... , pleural effusion ... Infections #HIV #AIDS ... #pulmonary #differential
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... Distress Syndrome (ARDS ... submassive PE) POCUS ... #differential #diagnosis ... #signs #Lung #POCUS
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
: Atelectasis, ARDS ... , Pneumonia and ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #diagnosis
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
explained by pleural effusions ... lobar collapse, lung ... severity of the hypoxemia ... : - Mild - ... Definition #Criteria #Diagnosis
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
Amiodarone Induced Lung ... Direct cytotoxic lung ... , ARDS, DAH, solitary ... exudative pleural effusions ... Exclusion of other ILDs
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
treatment of HIV/AIDS ... be present: • AIDS ... infiltrates, pleural effusions ... cryptococcomas, cavitating pneumonia ... (fever, cough, hypoxia