18 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... Hypoventilation Syndrome ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... Focal Alveolar: Pneumonia ... : ILD, pHTN, Advanced ... Sophia_Hayes_MD #Hypoxemia ... #hypoxia #Differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... direction leads to hypoxemia ... • Causes: Pneumonia ... hepatopulmonary syndrome ... Respiratory #Failure #hypoxia
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... Atelectasis, ARDS, Pneumonia ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #diagnosis
COVID-19 Findings on Lung ultrasound
 - Thickened pleural line
 - B lines (multifocal, discrete, or confluent)
COVID-19 Findings ... consolidation - Pleural effusion ... alveolar interstitial syndrome ... patients with pulmonary ... #POCUS #Diagnosis
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... : • 3 syndromes ... of a "flu-like syndrome ... , pleural effusion ... Infections #HIV #AIDS #pulmonary
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... myelodysplastic syndrome ... Aspergillosis PLEURAL EFFUSION ... #Lung #Infections ... #Differential #Diagnosis
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... Respiratory Distress Syndrome ... submassive PE) POCUS ... #differential #diagnosis ... #signs #Lung #POCUS
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary Syndrome ... absence of intrinsic lung ... upright position • Hypoxemia ... Quantifies degree of hypoxemia ... on radioactive lung
CT and ultrasonographic features of COVID-19 pneumonia
Lung CT:
 - Thickened pleura
 - Ground glass shadow and
ultrasonographic features of COVID ... -19 pneumonia Lung ... - Pulmonary infiltrating ... alveolar interstitial syndrome ... #Ultrasound #POCUS