8 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... Complications are ... "pooping duck sign ... Wrist #Carpal #Radiology ... #XRay #Diagnosis
Diabetes Insipidus vs Syndrome of Inappropriate ADH (SIADH) - Comparison Table

Diabetes Insipidus - Inadequate ADH
SIADH -
ADH (SIADH) - Comparison ... Insipidus #SIADH #Comparison ... #Table #Pathophysiology ... #Signs #Symptoms ... #Diagnosis #Endocrinology
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Tertiary Lab Comparison ... Symptoms: Commonly no signs ... Hyperparathyroidism #diagnosis ... #endocrinology ... Secondary #Tertiary #pathophysiology
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... child-bearing age ... : 'signet ring sign ... #Radiology #CTChest ... #Differential #Comparison
Generalized Seizures and Pseudoseizures
Generalized seizures "are conceptualized as originating as some point within, and rapidly engaging,
seizures begin after age ... Pseudoseizures (May mimic ... Classification #Diagnosis ... #Neurology #Signs ... #Symptoms #Comparison
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
All of the below are ... - Brugada's sign ... - Josephson's sign ... VT #VTach #SVT #Comparison ... #diagnosis #electrocardiogram
Differential diagnosis of TB.
Primary TB: Acute bacterial pneumonia
Secondary TB: Sarcoidosis, Silicosis, Pneumoconiosis
Endobronchial spread of TB: Bronchopneumonia,
Differential diagnosis ... TB the nodules are ... #Radiology #CTChest ... #MiliaryTB #Comparison ... #Metastases #Mimic
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
) Differential diagnosis ... fibrotic changes are ... #Radiology #CTChest ... #UIP #Comparison ... HypersensitivityPneumonitis #Fibrosis #Mimic