8 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... diseasePulmonary ... Malformation • Severe Pneumonia ... Abnormalities • Chest
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... • CT: Halo sign ... factor • May cause ... , pleural effusion ... Infections #HIV #AIDS #pulmonary
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... pleura in severe cases ... Possible bilateral effusion ... submassive PE) POCUS ... #Lung #POCUS #ultrasound
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Atelectasis, ARDS, Pneumonia ... • Diffusion Defect ... , Interstitial Lung ... UnremarkableLab #AA
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Lung POCUS Young ... POCUS lung exam ... sliding: Pulmonary ... disease, interstitial ... partially seen shred sign
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Therefore, conditions caused ... apices caused by ... a rigid chest cage ... Pulmonary Diseases ... Chronic eosinophilic pneumonia
Empyema Necessitans (EN) on Chest POCUS

Pulmonary teaching case: you are called to the bedside of a
POCUS Pulmonary ... teaching case: ... was admitted for pneumonia ... infected pleural effusion ... #Chest #Lung
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
pain, pleural effusion ... inflammation tends to cause ... interstitial lung ... disease/pulmonary ... pathophysiology #signs