11 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... • Interstitial lung ... #Hypoxia #Differential ... #Causes #Pulmonary
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
reflection) Pneumonia ... Respiratory Distress Syndrome ... #differential # ... diagnosis #signs ... #Lung #POCUS #ultrasound
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Diagnosis Algorithm ... Acute Coronary Syndrome ... EffusionsPleural ... Alveoli • Pneumonia ... • ARDS • COPD
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Effusion - Differential ... Pneumonectomy • Trapped lung ... : • Pneumonia ... #Effusion #Pulmonary
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
Actinomyces spp., NHL; Lung ... Castleman's disease • Pleural ... tuberculosis Infectious ... #diseases #differential ... #diagnosis #chestCT
COVID-19 Findings on Lung ultrasound
 - Thickened pleural line
 - B lines (multifocal, discrete, or confluent)
effusion is rare ... stage and in mild infection ... patients with pulmonary ... #POCUS #Diagnosis ... #Signs
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
, Pneumonia and ... UnremarkableLab #AA ... #Hypoxia #hypoxemia ... #differential # ... diagnosis
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... • CT: Halo sign ... , pleural effusion ... #AIDS #pulmonary
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Differential Bilat ... : Pulmonary edema ... diffuse infections ... partially seen shred sign ... NOT definitively diagnose
Amiodarone Induced Lung Toxicity Summary

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

How?  Possible
and exudative pleural ... effusions • Acute ... respiratory distress syndrome ... Exclude other causes ... failure - Infectious