4 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Weakness, Loss of Chest ... Atelectasis, ARDS, Pneumonia ... , Interstitial Lung ... UnremarkableLab #AA
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Blood: diffuse alveolar ... hemorrhage • Pus: pneumonia ... edema • Air: ... asthma • Pleural disease ... atelectasis • Lung
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... angioinvasive disease ... • CT: Halo sign ... phagocytic function of alveolar ... Infections #HIV #AIDS #pulmonary
CT and ultrasonographic features of COVID-19 pneumonia
Lung CT:
 - Thickened pleura
 - Ground glass shadow and
features of COVID-19 pneumonia ... progress of the disease ... Lung ultrasound ... mild infection; alveolar ... #ChestCT #Ultrasound