20 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... Hypoventilation Syndrome ... Neuromascular Weakness • Pleural ... #Hypoxia #Differential
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Ultrasound Findings ... in severe cases ... Respiratory Distress Syndrome ... (ARDS): - Bilateral ... #differential #
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Dyspnea - Differential ... Acute Coronary Syndrome ... EffusionsPleural ... Pneumonia • ARDS
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... obesity-hypoventilation syndrome ... direction leads to hypoxemia ... hepatopulmonary syndrome ... #Differential #
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
diseases in HIV/AIDS ... • Nodular/Masses ... Actinomyces spp., NHL; Lung ... Castleman's disease • Pleural ... #diseases #differential
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea ... - Differential ... Superior vena cava syndrome ... • Interstitial lung ... : • Pleural effusion
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Effusion - Differential ... Pneumonectomy • Trapped lung ... Malignancy • Pulmonary ... #Effusion #Pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... : Atelectasis, ARDS ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #
Lung Empyema on POCUS
When your patient has 3 courses of antibiotics and is not improving you
patient has 3 courses ... Lung U/S shows complex ... effusion suspicious ... #effusion #pleural ... #pulmonary #ultrasound
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Respiratory Distress Syndrome ... fully explained by pleural ... effusions, lobar ... collapse, lung ... severity of the hypoxemia