27 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... • 80% with lung ... #Brain #differential ... #diagnosis #causes
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver Lesions ... #POCUS #radiology ... #differential # ... diagnosis #comparison ... #table #appearance
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... Hamartoma, Lipoma ... Metastases ("cannonball lesions ... #Nodule #Differential ... #Causes #Pulmonary
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
Underlying causes ... acute, massive MI ... ), Thrombosis (lungs ... #arrest #HsTs #Differential ... #Diagnosis #Table
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
 Most common cause ... Differential diagnosis ... hyperreflexia, multiple lesions ... exposure & prominent cranial ... relapses, requires long-term
Mediastinal Mass - Differential Diagnosis
Anterior Mediastinal Mass:
 • Thymus (Thymoma, carcinoma, hyperplasia, cyst)
 • Lymphoma
 •
Mediastinal Mass - Differential ... Diagnosis Anterior ... Sarcoma, Metastatic Lung ... Thoracic spine lesions ... Mediastinal #Mass #Differential
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
POCUS lung exam ... Differential Bilat ... Lung POCUS shows ... NOT definitively diagnose ... #ultrasound
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Causes of Hypotonic ... Floppy Newborn) - Differential ... Intracranial Mass/lesion ... Trauma • Hematoma ... Floppy #Newborn #Differential
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... CT or MRI scan of ... #Hypertension #Differential ... #Diagnosis #Causes ... Screening #Workup #table
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Ultrasound Findings ... pleura in severe cases ... #pulmonary #differential ... #diagnosis #signs ... #Lung #POCUS #ultrasound