11 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = PAO2 ... - PaO2 A-a gradient ... (Patm - 47) - (PaCO2 ... : Atelectasis, ARDS ... Hypoxia #hypoxemia #differential
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
arterial oxygen (PaO2 ... compensate for low PaO2 ... hypoxia #hypoxemia #differential ... #diagnosis #comparison
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Pneumonia on Lung POCUS ... POCUS lung exam ... Differential Bilat ... Pulmonary edema, ARDS ... Lung POCUS shows
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Distress Syndrome (ARDS ... submassive PE) POCUS ... #pulmonary #differential ... #signs #Lung #POCUS
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Contrast #CT #MRI #POCUS ... #radiology #differential ... #diagnosis #comparison
Scleroderma Like Conditions - Differential Diagnosis
Eosinophilic Fasciitis:
 - Orange peel induration (peau d'orange) of proximal extremities
Like Conditions - Differential ... trunk, neck, and arms ... #Scleroderma #Differential ... #Diagnosis #comparison
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... / hypoxemia -> focus ... - Hypoxemia (PaO2 ... Acidosis #Elevation #Differential
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... dissolved in the PaO2 ... respiratory failure or ARDS ... edema #causes #differential
A-Lines vs B-Lines on Lung POCUS
A-Lines:
 • Predominately horizontal lines
 • A-lines are repeated horizontal &
B-Lines on Lung POCUS ... pulmonary edema, ARDS ... #BLines #Lung #POCUS ... pulmonary #clinical #comparison
Penetrating Muscle Injury from Stab Wound on POCUS

What is the most likely etiology for this finding?
Resolution:
Stab Wound on POCUS ... Differentiate from ... Comparison vs Myositis ... #Stab #Wound #POCUS