4 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
: Atelectasis, ARDS ... , Interstitial Lung ... UnremarkableLab #AA ... Hypoxia #hypoxemia #differential ... #diagnosis
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
tests algorithm ... clinical symptoms/signs ... evaluation of the pattern ... Areas of diagnostic ... Liver #Enzymes #Differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework ... • CT: Halo sign ... Exam: Can be normal ... Infections #HIV #AIDS
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Signs of fibrosis ... mid and lower lung ... included in the differential ... diagnosis. ... Clinical #Radiology #CTChest