11 results
Diagnostic approach to the admitted patient with possible COVID-19

Initial evaluation
- Chest X-ray
- Lung ultrasound (thorough "lawn-mower"
evaluation - Chest ... X-ray - Lung ultrasound ... a-lines) - Nasopharyngeal ... - CBC with differential ... #algorithm #schema
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... neuromuscular disease, ↓ chest ... #Diagnosis #Algorithm ... #pulmonary #Aa
COVID-19 Findings on Lung ultrasound
 - Thickened pleural line
 - B lines (multifocal, discrete, or confluent)
COVID-19 Findings ... on Lung ultrasound ... ill patients; A ... patients with pulmonary ... #Lung #ultrasound
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Embolism, Obstructive Lung ... , Interstitial Lung ... UnremarkableLab #AA ... Hypoxia #hypoxemia #differential
COVID-19 on Lung POCUS

Day 4 after COVID diagnosis. More cough & tiredness (very badly), still no
COVID-19 on Lung ... Day 4 after COVID ... still no dyspnea/chest ... resolution, Left side a ... #ultrasound #pulmonary
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Response Management Algorithm ... Epiglottitis • Vocal ... atelectasis • Lung ... Hypoxemia #Hypoxia #differential ... #rapid #pulmonary
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
gordonae - 99.9% a ... disease through local ... • Dyspnea, • Chest ... NTM #Infections #differential ... #diagnosis #infectiousdiseases
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Rapid onset of a ... Infections #HIV #AIDS #pulmonary ... #differential # ... diagnosis #infectiousdiseases
CT and ultrasonographic features of COVID-19 pneumonia
Lung CT:
 - Thickened pleura
 - Ground glass shadow and
ultrasonographic features of COVID ... and effusion - Pulmonary ... ultrasound - ... abnormalities - Focal ... ill patients; A
Lung sliding & pneumonia on POCUS
The differential diagnosis for absence of lung sliding includes pneumonia; however,
on POCUS The differential ... that there is a ... from the anterior chest ... POCUS #clinical #ultrasound ... #pulmonary #mimics