21 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... emphysema: no walls, central ... #Cysts #Differential ... #Comparison #Table
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... - Vertigo - Differential ... Diagnosis Algorithm ... Bone Fracture Central ... symptoms/signs,
Causes of Cystic Renal Mass - Differential Diagnosis Algorithm
Benign - Anechoic on ultrasound, Well-demarcated on ultrasound/CT,
Causes of Cystic ... Renal Mass - Differential ... Diagnosis Algorithm ... Carcinoma - No signs ... #Causes
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
sliding/barcode sign ... Consolidations - "Shred" sign ... #pulmonary #differential ... #diagnosis #signs ... #Lung #POCUS #ultrasound
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Hypochloremia - Differential ... Diagnosis Algorithm ... - Gitelman SIGNS ... Hypochloremia #Differential ... #Diagnosis #Algorithm
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
with vascular causes ... #Vertigo #diagnosis ... #findings #signs ... #symptoms #comparison ... #neurology
Generalized Seizures and Pseudoseizures
Generalized seizures "are conceptualized as originating as some point within, and rapidly engaging,
generalized or a general ... seizure caused ... Classification #Diagnosis ... #Neurology #Signs ... #Symptoms #Comparison
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... and Central Vertigo ... signs or symptoms ... #differential # ... diagnosis #neurology
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... Differential Bilat ... partially seen shred sign ... NOT definitively diagnose ... #clinical #ultrasound
Pseudobladder of large Ovarian Cyst in Torsion on POCUS - Sagittal View

Young female with sudden pelvic
in Torsion on POCUS ... Diagnosis/differential ... double bladder sign ... #Torsion #POCUS ... #clinical #ultrasound