6 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Normal A-a Gradient ... neuromuscular disease, ↓ chest ... (↑Shunting), ↓Perfusion ... Hypoxemia #Hypoxia #Differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
/0.8)] - PaO2 Normal ... to normal age adjusted ... Weakness, Loss of Chest ... Disease and more • Diffusion ... Hypoxia #hypoxemia #differential
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Associated Lung Ultrasound ... Possible small plural effusion ... Possible bilateral effusion ... #pulmonary #differential ... #Lung #POCUS #ultrasound
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... clinical symptoms/signs ... Areas of diagnostic ... mellitus; USS, ultrasound ... Liver #Enzymes #Differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... • CT: Halo sign ... Lung Exam: Can be normal ... pneumonia, pleural effusion ... AIDS #pulmonary #differential
Eccrine Spiradenoma on POCUS
75 year-old female, Left Infraclavicular nodular lesion > 9 months. No inflammatory signs.
No inflammatory signs ... No breast lesions ... Neck & Chest CT ... scan normal. ... POCUS #clinical #ultrasound