3 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Room Air + Sea Level ... , Pneumonia and ... UnremarkableLab #AA ... #Hypoxia #hypoxemia ... #differential #
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
healthy pt with fever ... Differential Bilat ... : Pulmonary edema ... , ARDS, interstitial ... #ultrasound
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... 760 mm Hg at sea level ... gravity-dependent gradients ... • Causes: Pneumonia ... #Differential #