19 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
COVID-19 Patterns ... Lung Findings on Chest ... Organizing Pneumonia ... Patterns #Lung #Pulmonary ... #ChestCT #radiology
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Differential Diagnosis Algorithm ... Malformation • Severe Pneumonia ... Abnormalities • Chest ... Differential #Diagnosis #Algorithm ... #Causes #Pulmonary
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
this patient have pneumonia ... evidence of a chest ... e.g., CXR, CT, ultrasound ... production, pleuritic chest ... #Pneumonia #Venn
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Chest Pain - Differential ... Diagnosis Algorithm ... Embolism (chest ... Parenchymal • Pneumonia ... Differential #Diagnosis #Algorithm
Diagnostic approach to the admitted patient with possible COVID-19

Initial evaluation
- Chest X-ray
- Lung ultrasound (thorough "lawn-mower"
with possible COVID ... evaluation - Chest ... X-ray - Lung ultrasound ... Nasopharyngeal PCR for COVID ... #algorithm #schema
COVID-19 on Lung POCUS - Day 2

Day 2 after COVID diagnosis. Less sore throat, cough &
COVID-19 on Lung ... Day 2 after COVID ... breath or pleuritic chest ... clinical #lung #ultrasound ... #pulmonary #BLines
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Differential Diagnosis Algorithm ... Thickening/Masses Chest ... Alveoli • Pneumonia ... Vessels • Pulmonary ... Differential #Diagnosis #Algorithm
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Response Management Algorithm ... hemorrhage • Pus: pneumonia ... • Water: pulmonary ... MG, ALS) • ↓ chest ... #rapid #pulmonary
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Chest Pain - Diagnosis ... and Workup Algorithm ... Pneumothorax • Pulmonary ... EKG • Bedside ultrasound ... MatthewHoMD #Chest
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Differential Diagnosis Algorithm ... Abnormal Abdominal Ultrasound ... Cyanosis without Pulmonary ... Disease Abnormal Chest ... Snoring Chronic Chest